diff --git a/docs/accounting/index.html b/docs/accounting/index.html
index cac3fb6d..61c9bdc6 100644
--- a/docs/accounting/index.html
+++ b/docs/accounting/index.html
@@ -6094,7 +6094,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Accounting"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Accounting"><strong>VSN: </strong>4.39.0</li>
+              <li class="nav-header" data-group="Accounting"><strong>VSN: </strong>5.0.0</li>
               <li class="nav-header" data-group="Accounting"><a href="#api-Accounting">Methods</a></li>
               <li data-group="Accounting" data-name="createAccount" class="">
                 <a href="#api-Accounting-createAccount">createAccount</a>
@@ -7579,9 +7579,9 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
 const unitdp = 4;
+const idempotencyKey = 'KEY_VALUE';
 
 const contact: Contact = { 
   contactID: "00000000-0000-0000-0000-000000000000"
@@ -7612,7 +7612,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createBankTransactions(xeroTenantId, bankTransactions, idempotencyKey, summarizeErrors, unitdp);
+  const response = await xero.accountingApi.createBankTransactions(xeroTenantId, bankTransactions,  summarizeErrors, unitdp,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -9597,8 +9597,8 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 
 const phone: Phone = { 
   phoneNumber: "555-1212",
@@ -9618,7 +9618,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createContacts(xeroTenantId, contacts, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.createContacts(xeroTenantId, contacts,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -9780,8 +9780,8 @@ <h3>Usage and SDK Samples</h3>
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
 const creditNoteID = '00000000-0000-0000-0000-000000000000';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 const currDate = '2020-12-10'
 
 const invoice: Invoice = { 
@@ -9799,7 +9799,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createCreditNoteAllocation(xeroTenantId, creditNoteID, allocations, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.createCreditNoteAllocation(xeroTenantId, creditNoteID, allocations,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -9995,8 +9995,8 @@ <h3>Usage and SDK Samples</h3>
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
 const creditNoteID = '00000000-0000-0000-0000-000000000000';
 const fileName = 'xero-dev.jpg';
-const idempotencyKey = 'KEY_VALUE';
 const includeOnline = true;
+const idempotencyKey = 'KEY_VALUE';
 const path = require("path");
 const mime = require("mime-types");
 const pathToUpload = path.resolve(__dirname, "../public/images/xero-dev.jpg"); // determine the path to your file
@@ -10004,7 +10004,7 @@ <h3>Usage and SDK Samples</h3>
 const contentType = mime.lookup(fileName);
 
 try {
-  const response = await xero.accountingApi.createCreditNoteAttachmentByFileName(xeroTenantId, creditNoteID, fileName, body, idempotencyKey, includeOnline, {
+  const response = await xero.accountingApi.createCreditNoteAttachmentByFileName(xeroTenantId, creditNoteID, fileName, body,  includeOnline,idempotencyKey, {
     headers: {
       "Content-Type": contentType,
     }
@@ -10404,9 +10404,9 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
 const unitdp = 4;
+const idempotencyKey = 'KEY_VALUE';
 const currDate = '2020-12-10'
 
 const contact: Contact = { 
@@ -10434,7 +10434,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createCreditNotes(xeroTenantId, creditNotes, idempotencyKey, summarizeErrors, unitdp);
+  const response = await xero.accountingApi.createCreditNotes(xeroTenantId, creditNotes,  summarizeErrors, unitdp,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -10757,8 +10757,8 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 
 const employee: Employee = { 
   firstName: "Nick",
@@ -10770,7 +10770,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createEmployees(xeroTenantId, employees, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.createEmployees(xeroTenantId, employees,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -11271,8 +11271,8 @@ <h3>Usage and SDK Samples</h3>
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
 const invoiceID = '00000000-0000-0000-0000-000000000000';
 const fileName = 'xero-dev.jpg';
-const idempotencyKey = 'KEY_VALUE';
 const includeOnline = true;
+const idempotencyKey = 'KEY_VALUE';
 const path = require("path");
 const mime = require("mime-types");
 const pathToUpload = path.resolve(__dirname, "../public/images/xero-dev.jpg"); // determine the path to your file
@@ -11280,7 +11280,7 @@ <h3>Usage and SDK Samples</h3>
 const contentType = mime.lookup(fileName);
 
 try {
-  const response = await xero.accountingApi.createInvoiceAttachmentByFileName(xeroTenantId, invoiceID, fileName, body, idempotencyKey, includeOnline, {
+  const response = await xero.accountingApi.createInvoiceAttachmentByFileName(xeroTenantId, invoiceID, fileName, body,  includeOnline,idempotencyKey, {
     headers: {
       "Content-Type": contentType,
     }
@@ -11680,9 +11680,9 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
 const unitdp = 4;
+const idempotencyKey = 'KEY_VALUE';
 const dateValue = '2020-10-10'
 const dueDateValue = '2020-10-28'
 
@@ -11722,7 +11722,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createInvoices(xeroTenantId, invoices, idempotencyKey, summarizeErrors, unitdp);
+  const response = await xero.accountingApi.createInvoices(xeroTenantId, invoices,  summarizeErrors, unitdp,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -12082,9 +12082,9 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
 const unitdp = 4;
+const idempotencyKey = 'KEY_VALUE';
 
 const purchaseDetails: Purchase = { 
   cOGSAccountCode: "500"
@@ -12103,7 +12103,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createItems(xeroTenantId, items, idempotencyKey, summarizeErrors, unitdp);
+  const response = await xero.accountingApi.createItems(xeroTenantId, items,  summarizeErrors, unitdp,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -12809,8 +12809,8 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 const dateValue = '2020-10-10'  
 const manualJournalLines = [];
 
@@ -12839,7 +12839,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createManualJournals(xeroTenantId, manualJournals, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.createManualJournals(xeroTenantId, manualJournals,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -13001,8 +13001,8 @@ <h3>Usage and SDK Samples</h3>
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
 const overpaymentID = '00000000-0000-0000-0000-000000000000';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 const currDate = '2020-12-10'
 
 const invoice: Invoice = { 
@@ -13020,7 +13020,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createOverpaymentAllocations(xeroTenantId, overpaymentID, allocations, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.createOverpaymentAllocations(xeroTenantId, overpaymentID, allocations,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -13876,8 +13876,8 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 const dateValue = '2020-10-10'
 
 const invoice: Invoice = { 
@@ -13900,7 +13900,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createPayments(xeroTenantId, payments, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.createPayments(xeroTenantId, payments,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -14062,8 +14062,8 @@ <h3>Usage and SDK Samples</h3>
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
 const prepaymentID = '00000000-0000-0000-0000-000000000000';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 const currDate = '2020-12-10'
 
 const invoice: Invoice = { 
@@ -14081,7 +14081,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createPrepaymentAllocations(xeroTenantId, prepaymentID, allocations, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.createPrepaymentAllocations(xeroTenantId, prepaymentID, allocations,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -14837,8 +14837,8 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 const dateValue = '2020-10-10'
 
 const contact: Contact = { 
@@ -14865,7 +14865,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createPurchaseOrders(xeroTenantId, purchaseOrders, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.createPurchaseOrders(xeroTenantId, purchaseOrders,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -15409,8 +15409,8 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 const dateValue = '2020-10-10'
 
 const contact: Contact = { 
@@ -15437,7 +15437,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createQuotes(xeroTenantId, quotes, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.createQuotes(xeroTenantId, quotes,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -15598,8 +15598,8 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const unitdp = 4;
+const idempotencyKey = 'KEY_VALUE';
 
 const contact: Contact = { 
   contactID: "00000000-0000-0000-0000-000000000000"
@@ -15631,7 +15631,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createReceipt(xeroTenantId, receipts, idempotencyKey, unitdp);
+  const response = await xero.accountingApi.createReceipt(xeroTenantId, receipts,  unitdp,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -16558,11 +16558,11 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 
 try {
-  const response = await xero.accountingApi.createRepeatingInvoices(xeroTenantId, repeatingInvoices, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.createRepeatingInvoices(xeroTenantId, repeatingInvoices,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -37947,8 +37947,8 @@ <h3>Usage and SDK Samples</h3>
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
 const bankTransactionID = '00000000-0000-0000-0000-000000000000';
-const idempotencyKey = 'KEY_VALUE';
 const unitdp = 4;
+const idempotencyKey = 'KEY_VALUE';
 
 const contact: Contact = { 
   contactID: "00000000-0000-0000-0000-000000000000"
@@ -37980,7 +37980,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateBankTransaction(xeroTenantId, bankTransactionID, bankTransactions, idempotencyKey, unitdp);
+  const response = await xero.accountingApi.updateBankTransaction(xeroTenantId, bankTransactionID, bankTransactions,  unitdp,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -39145,8 +39145,8 @@ <h3>Usage and SDK Samples</h3>
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
 const creditNoteID = '00000000-0000-0000-0000-000000000000';
-const idempotencyKey = 'KEY_VALUE';
 const unitdp = 4;
+const idempotencyKey = 'KEY_VALUE';
 const currDate = '2020-12-10'
 
 const contact: Contact = { 
@@ -39176,7 +39176,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateCreditNote(xeroTenantId, creditNoteID, creditNotes, idempotencyKey, unitdp);
+  const response = await xero.accountingApi.updateCreditNote(xeroTenantId, creditNoteID, creditNotes,  unitdp,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -39767,8 +39767,8 @@ <h3>Usage and SDK Samples</h3>
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
 const invoiceID = '00000000-0000-0000-0000-000000000000';
-const idempotencyKey = 'KEY_VALUE';
 const unitdp = 4;
+const idempotencyKey = 'KEY_VALUE';
 
 const invoice: Invoice = { 
   reference: "I am Iron man"
@@ -39779,7 +39779,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateInvoice(xeroTenantId, invoiceID, invoices, idempotencyKey, unitdp);
+  const response = await xero.accountingApi.updateInvoice(xeroTenantId, invoiceID, invoices,  unitdp,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -40177,8 +40177,8 @@ <h3>Usage and SDK Samples</h3>
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
 const itemID = '00000000-0000-0000-0000-000000000000';
-const idempotencyKey = 'KEY_VALUE';
 const unitdp = 4;
+const idempotencyKey = 'KEY_VALUE';
 
 const item: Item = { 
   code: "ItemCode123",
@@ -40190,7 +40190,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateItem(xeroTenantId, itemID, items, idempotencyKey, unitdp);
+  const response = await xero.accountingApi.updateItem(xeroTenantId, itemID, items,  unitdp,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -40962,9 +40962,9 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
 const unitdp = 4;
+const idempotencyKey = 'KEY_VALUE';
 
 const contact: Contact = { 
   contactID: "00000000-0000-0000-0000-000000000000"
@@ -40995,7 +40995,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateOrCreateBankTransactions(xeroTenantId, bankTransactions, idempotencyKey, summarizeErrors, unitdp);
+  const response = await xero.accountingApi.updateOrCreateBankTransactions(xeroTenantId, bankTransactions,  summarizeErrors, unitdp,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -41175,8 +41175,8 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 
 const phone: Phone = { 
   phoneNumber: "555-1212",
@@ -41196,7 +41196,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateOrCreateContacts(xeroTenantId, contacts, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.updateOrCreateContacts(xeroTenantId, contacts,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -41356,9 +41356,9 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
 const unitdp = 4;
+const idempotencyKey = 'KEY_VALUE';
 const currDate = '2020-12-10'
 
 const contact: Contact = { 
@@ -41386,7 +41386,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateOrCreateCreditNotes(xeroTenantId, creditNotes, idempotencyKey, summarizeErrors, unitdp);
+  const response = await xero.accountingApi.updateOrCreateCreditNotes(xeroTenantId, creditNotes,  summarizeErrors, unitdp,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -41567,8 +41567,8 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 
 const employee: Employee = { 
   firstName: "Nick",
@@ -41580,7 +41580,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateOrCreateEmployees(xeroTenantId, employees, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.updateOrCreateEmployees(xeroTenantId, employees,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -41741,9 +41741,9 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
 const unitdp = 4;
+const idempotencyKey = 'KEY_VALUE';
 const dateValue = '2020-10-10'
 const dueDateValue = '2020-10-28'
 
@@ -41775,7 +41775,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateOrCreateInvoices(xeroTenantId, invoices, idempotencyKey, summarizeErrors, unitdp);
+  const response = await xero.accountingApi.updateOrCreateInvoices(xeroTenantId, invoices,  summarizeErrors, unitdp,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -41955,9 +41955,9 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
 const unitdp = 4;
+const idempotencyKey = 'KEY_VALUE';
 
 const item: Item = { 
   code: "abcXYZ123",
@@ -41970,7 +41970,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateOrCreateItems(xeroTenantId, items, idempotencyKey, summarizeErrors, unitdp);
+  const response = await xero.accountingApi.updateOrCreateItems(xeroTenantId, items,  summarizeErrors, unitdp,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -42150,8 +42150,8 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 const dateValue = '2020-10-10'  
 const manualJournalLines = [];
 
@@ -42180,7 +42180,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateOrCreateManualJournals(xeroTenantId, manualJournals, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.updateOrCreateManualJournals(xeroTenantId, manualJournals,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -42341,8 +42341,8 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 const dateValue = '2020-10-10'
 
 const contact: Contact = { 
@@ -42369,7 +42369,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateOrCreatePurchaseOrders(xeroTenantId, purchaseOrders, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.updateOrCreatePurchaseOrders(xeroTenantId, purchaseOrders,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -42529,8 +42529,8 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 const dateValue = '2020-10-10'
 
 const contact: Contact = { 
@@ -42557,7 +42557,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateOrCreateQuotes(xeroTenantId, quotes, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.updateOrCreateQuotes(xeroTenantId, quotes,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -42717,11 +42717,11 @@ <h3>Usage and SDK Samples</h3>
                       <pre class="prettyprint"><code class="language-javascript">await xero.setTokenSet(tokenSet);
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
-const idempotencyKey = 'KEY_VALUE';
 const summarizeErrors = true;
+const idempotencyKey = 'KEY_VALUE';
 
 try {
-  const response = await xero.accountingApi.updateOrCreateRepeatingInvoices(xeroTenantId, repeatingInvoices, idempotencyKey, summarizeErrors);
+  const response = await xero.accountingApi.updateOrCreateRepeatingInvoices(xeroTenantId, repeatingInvoices,  summarizeErrors,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -43654,8 +43654,8 @@ <h3>Usage and SDK Samples</h3>
 
 const xeroTenantId = 'YOUR_XERO_TENANT_ID';
 const receiptID = '00000000-0000-0000-0000-000000000000';
-const idempotencyKey = 'KEY_VALUE';
 const unitdp = 4;
+const idempotencyKey = 'KEY_VALUE';
 const dateValue = '2020-10-10'
 
 const user: User = { 
@@ -43673,7 +43673,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateReceipt(xeroTenantId, receiptID, receipts, idempotencyKey, unitdp);
+  const response = await xero.accountingApi.updateReceipt(xeroTenantId, receiptID, receipts,  unitdp,idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
diff --git a/docs/appstore/index.html b/docs/appstore/index.html
index cada5549..c58550a0 100644
--- a/docs/appstore/index.html
+++ b/docs/appstore/index.html
@@ -1242,7 +1242,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="AppStore"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="AppStore"><strong>VSN: </strong>4.39.0</li>
+              <li class="nav-header" data-group="AppStore"><strong>VSN: </strong>5.0.0</li>
               <li class="nav-header" data-group="AppStore"><a href="#api-AppStore">Methods</a></li>
               <li data-group="AppStore" data-name="getSubscription" class="">
                 <a href="#api-AppStore-getSubscription">getSubscription</a>
diff --git a/docs/assets/index.html b/docs/assets/index.html
index dbc05178..cb0f0cb0 100644
--- a/docs/assets/index.html
+++ b/docs/assets/index.html
@@ -1393,7 +1393,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Asset"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Asset"><strong>VSN: </strong>4.39.0</li>
+              <li class="nav-header" data-group="Asset"><strong>VSN: </strong>5.0.0</li>
               <li class="nav-header" data-group="Asset"><a href="#api-Asset">Methods</a></li>
               <li data-group="Asset" data-name="createAsset" class="">
                 <a href="#api-Asset-createAsset">createAsset</a>
@@ -1618,7 +1618,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.createAssetType(xeroTenantId, idempotencyKey, assetType);
+  const response = await xero.accountingApi.createAssetType(xeroTenantId, assetType, idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -1692,7 +1692,7 @@ <h2>Parameters</h2>
                       <th width="150px">Name</th>
                       <th>Description</th>
                     </tr>
-                    <tr><td style="width:150px;">assetType </td>
+                    <tr><td style="width:150px;">assetType <span style="color:red;">*</span></td>
 <td>
 <div class="json-schema-view">
             <div class="primitive">
@@ -1704,6 +1704,9 @@ <h2>Parameters</h2>
 Asset type to add
                     </div>
             </div>
+                <div class="inner required">
+                    Required
+                </div>
         </div>
 <script type="application/ld+json">
     {
@@ -1715,7 +1718,8 @@ <h2>Parameters</h2>
       },
       "example" : "{ \"assetTypeName\":\"Machinery11004\", \"fixedAssetAccountId\":\"3d8d063a-c148-4bb8-8b3c-a5e2ad3b1e82\", \"depreciationExpenseAccountId\":\"d1602f69-f900-4616-8d34-90af393fa368\", \"accumulatedDepreciationAccountId\":\"9195cadd-8645-41e6-9f67-7bcd421defe8\", \"bookDepreciationSetting\":{ \"depreciationMethod\":\"DiminishingValue100\", \"averagingMethod\":\"ActualDays\", \"depreciationRate\":0.05, \"depreciationCalculationMethod\":\"None\" } }"
     }
-  }
+  },
+  "required" : true
 }
 </script>
                   </table>
diff --git a/docs/bankfeeds/index.html b/docs/bankfeeds/index.html
index db6d478a..9a08b446 100644
--- a/docs/bankfeeds/index.html
+++ b/docs/bankfeeds/index.html
@@ -1269,7 +1269,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="BankFeeds"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="BankFeeds"><strong>VSN: </strong>4.39.0</li>
+              <li class="nav-header" data-group="BankFeeds"><strong>VSN: </strong>5.0.0</li>
               <li class="nav-header" data-group="BankFeeds"><a href="#api-BankFeeds">Methods</a></li>
               <li data-group="BankFeeds" data-name="createFeedConnections" class="">
                 <a href="#api-BankFeeds-createFeedConnections">createFeedConnections</a>
@@ -1484,7 +1484,7 @@ <h3>Usage and SDK Samples</h3>
 const idempotencyKey = 'KEY_VALUE';
 
 try {
-  const response = await xero.accountingApi.createStatements(xeroTenantId, idempotencyKey, statements);
+  const response = await xero.accountingApi.createStatements(xeroTenantId, statements, idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -1558,7 +1558,7 @@ <h2>Parameters</h2>
                       <th width="150px">Name</th>
                       <th>Description</th>
                     </tr>
-                    <tr><td style="width:150px;">statements </td>
+                    <tr><td style="width:150px;">statements <span style="color:red;">*</span></td>
 <td>
 <div class="json-schema-view">
             <div class="primitive">
@@ -1570,6 +1570,9 @@ <h2>Parameters</h2>
 Statements array of objects in the body
                     </div>
             </div>
+                <div class="inner required">
+                    Required
+                </div>
         </div>
 <script type="application/ld+json">
     {
@@ -1629,7 +1632,8 @@ <h2>Parameters</h2>
         } ]
       }
     }
-  }
+  },
+  "required" : true
 }
 </script>
                   </table>
diff --git a/docs/files/index.html b/docs/files/index.html
index fd250576..abaf7fc8 100644
--- a/docs/files/index.html
+++ b/docs/files/index.html
@@ -1156,7 +1156,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Files"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Files"><strong>VSN: </strong>4.39.0</li>
+              <li class="nav-header" data-group="Files"><strong>VSN: </strong>5.0.0</li>
               <li class="nav-header" data-group="Files"><a href="#api-Files">Methods</a></li>
               <li data-group="Files" data-name="createFileAssociation" class="">
                 <a href="#api-Files-createFileAssociation">createFileAssociation</a>
@@ -1260,7 +1260,7 @@ <h3>Usage and SDK Samples</h3>
 const idempotencyKey = 'KEY_VALUE';
 
 try {
-  const response = await xero.accountingApi.createFileAssociation(xeroTenantId, fileId, idempotencyKey, association);
+  const response = await xero.accountingApi.createFileAssociation(xeroTenantId, fileId, association, idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -1367,7 +1367,7 @@ <h2>Parameters</h2>
                       <th width="150px">Name</th>
                       <th>Description</th>
                     </tr>
-                    <tr><td style="width:150px;">association </td>
+                    <tr><td style="width:150px;">association <span style="color:red;">*</span></td>
 <td>
 <div class="json-schema-view">
             <div class="primitive">
@@ -1379,6 +1379,9 @@ <h2>Parameters</h2>
 
                     </div>
             </div>
+                <div class="inner required">
+                    Required
+                </div>
         </div>
 <script type="application/ld+json">
     {
@@ -1389,7 +1392,8 @@ <h2>Parameters</h2>
       },
       "example" : "{ \"ObjectId\": \"1270bf7c-5d18-473a-9231-1e36c4bd33ed\", \"ObjectGroup\": \"Contact\", \"ObjectType\": \"Business\" }"
     }
-  }
+  },
+  "required" : true
 }
 </script>
                   </table>
@@ -1425,7 +1429,7 @@ <h3>Usage and SDK Samples</h3>
 const idempotencyKey = 'KEY_VALUE';
 
 try {
-  const response = await xero.accountingApi.createFolder(xeroTenantId, idempotencyKey, folder);
+  const response = await xero.accountingApi.createFolder(xeroTenantId, folder, idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -1499,7 +1503,7 @@ <h2>Parameters</h2>
                       <th width="150px">Name</th>
                       <th>Description</th>
                     </tr>
-                    <tr><td style="width:150px;">folder </td>
+                    <tr><td style="width:150px;">folder <span style="color:red;">*</span></td>
 <td>
 <div class="json-schema-view">
             <div class="primitive">
@@ -1511,6 +1515,9 @@ <h2>Parameters</h2>
 
                     </div>
             </div>
+                <div class="inner required">
+                    Required
+                </div>
         </div>
 <script type="application/ld+json">
     {
@@ -1521,7 +1528,8 @@ <h2>Parameters</h2>
       },
       "example" : "{ \"Name\": \"My Docs\" }"
     }
-  }
+  },
+  "required" : true
 }
 </script>
                   </table>
@@ -3073,7 +3081,7 @@ <h3>Usage and SDK Samples</h3>
 const idempotencyKey = 'KEY_VALUE';
 
 try {
-  const response = await xero.accountingApi.updateFile(xeroTenantId, fileId, idempotencyKey, fileObject);
+  const response = await xero.accountingApi.updateFile(xeroTenantId, fileId, fileObject, idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -3180,7 +3188,7 @@ <h2>Parameters</h2>
                       <th width="150px">Name</th>
                       <th>Description</th>
                     </tr>
-                    <tr><td style="width:150px;">fileObject </td>
+                    <tr><td style="width:150px;">fileObject <span style="color:red;">*</span></td>
 <td>
 <div class="json-schema-view">
             <div class="primitive">
@@ -3192,6 +3200,9 @@ <h2>Parameters</h2>
 
                     </div>
             </div>
+                <div class="inner required">
+                    Required
+                </div>
         </div>
 <script type="application/ld+json">
     {
@@ -3202,7 +3213,8 @@ <h2>Parameters</h2>
       },
       "example" : "{ \"FolderId\": \"bf924975-7097-46f2-a143-1ecfbab3c8c3\" }"
     }
-  }
+  },
+  "required" : true
 }
 </script>
                   </table>
diff --git a/docs/finance/index.html b/docs/finance/index.html
index 6cdb1cab..39d7a2ab 100644
--- a/docs/finance/index.html
+++ b/docs/finance/index.html
@@ -2735,7 +2735,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Finance"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Finance"><strong>VSN: </strong>4.39.0</li>
+              <li class="nav-header" data-group="Finance"><strong>VSN: </strong>5.0.0</li>
               <li class="nav-header" data-group="Finance"><a href="#api-Finance">Methods</a></li>
               <li data-group="Finance" data-name="getAccountingActivityAccountUsage" class="">
                 <a href="#api-Finance-getAccountingActivityAccountUsage">getAccountingActivityAccountUsage</a>
diff --git a/docs/payroll-au/index.html b/docs/payroll-au/index.html
index 807cdd62..15f1914f 100644
--- a/docs/payroll-au/index.html
+++ b/docs/payroll-au/index.html
@@ -3413,7 +3413,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollAu"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollAu"><strong>VSN: </strong>4.39.0</li>
+              <li class="nav-header" data-group="PayrollAu"><strong>VSN: </strong>5.0.0</li>
               <li class="nav-header" data-group="PayrollAu"><a href="#api-PayrollAu">Methods</a></li>
               <li data-group="PayrollAu" data-name="approveLeaveApplication" class="">
                 <a href="#api-PayrollAu-approveLeaveApplication">approveLeaveApplication</a>
@@ -7375,7 +7375,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateEmployee(xeroTenantId, employeeID, idempotencyKey, employee);
+  const response = await xero.accountingApi.updateEmployee(xeroTenantId, employeeID, employee, idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -7482,7 +7482,7 @@ <h2>Parameters</h2>
                       <th width="150px">Name</th>
                       <th>Description</th>
                     </tr>
-                    <tr><td style="width:150px;">employee </td>
+                    <tr><td style="width:150px;">employee <span style="color:red;">*</span></td>
 <td>
 <div class="json-schema-view">
             <div class="primitive">
@@ -7494,6 +7494,9 @@ <h2>Parameters</h2>
 
                     </div>
             </div>
+                <div class="inner required">
+                    Required
+                </div>
         </div>
 <script type="application/ld+json">
     {
@@ -7507,7 +7510,8 @@ <h2>Parameters</h2>
       },
       "example" : "[ { \"MiddleNames\": \"Frank\" } ]"
     }
-  }
+  },
+  "required" : true
 }
 </script>
                   </table>
@@ -7731,7 +7735,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updatePayRun(xeroTenantId, payRunID, idempotencyKey, payRun);
+  const response = await xero.accountingApi.updatePayRun(xeroTenantId, payRunID, payRun, idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -7838,7 +7842,7 @@ <h2>Parameters</h2>
                       <th width="150px">Name</th>
                       <th>Description</th>
                     </tr>
-                    <tr><td style="width:150px;">payRun </td>
+                    <tr><td style="width:150px;">payRun <span style="color:red;">*</span></td>
 <td>
 <div class="json-schema-view">
             <div class="primitive">
@@ -7850,6 +7854,9 @@ <h2>Parameters</h2>
 
                     </div>
             </div>
+                <div class="inner required">
+                    Required
+                </div>
         </div>
 <script type="application/ld+json">
     {
@@ -7863,7 +7870,8 @@ <h2>Parameters</h2>
         }
       }
     }
-  }
+  },
+  "required" : true
 }
 </script>
                   </table>
@@ -7914,7 +7922,7 @@ <h3>Usage and SDK Samples</h3>
 payslipLines.push(payslipLine)
 
 try {
-  const response = await xero.accountingApi.updatePayslip(xeroTenantId, payslipID, idempotencyKey, payslipLines);
+  const response = await xero.accountingApi.updatePayslip(xeroTenantId, payslipID, payslipLines, idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -8021,7 +8029,7 @@ <h2>Parameters</h2>
                       <th width="150px">Name</th>
                       <th>Description</th>
                     </tr>
-                    <tr><td style="width:150px;">payslipLines </td>
+                    <tr><td style="width:150px;">payslipLines <span style="color:red;">*</span></td>
 <td>
 <div class="json-schema-view">
             <div class="primitive">
@@ -8033,6 +8041,9 @@ <h2>Parameters</h2>
 
                     </div>
             </div>
+                <div class="inner required">
+                    Required
+                </div>
         </div>
 <script type="application/ld+json">
     {
@@ -8046,7 +8057,8 @@ <h2>Parameters</h2>
       },
       "example" : "{ \"Payslip\": { \"EmployeeID\": \"cdfb8371-0b21-4b8a-8903-1024df6c391e\", \"DeductionLines\": [ { \"DeductionTypeID\": \"727af5e8-b347-4ae7-85fc-9b82266d0aec\", \"CalculationType\": \"FIXEDAMOUNT\", \"NumberOfUnits\": 10 } ] } }"
     }
-  }
+  },
+  "required" : true
 }
 </script>
                   </table>
@@ -8088,7 +8100,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateSuperfund(xeroTenantId, superFundID, idempotencyKey, superFund);
+  const response = await xero.accountingApi.updateSuperfund(xeroTenantId, superFundID, superFund, idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -8195,7 +8207,7 @@ <h2>Parameters</h2>
                       <th width="150px">Name</th>
                       <th>Description</th>
                     </tr>
-                    <tr><td style="width:150px;">superFund </td>
+                    <tr><td style="width:150px;">superFund <span style="color:red;">*</span></td>
 <td>
 <div class="json-schema-view">
             <div class="primitive">
@@ -8207,6 +8219,9 @@ <h2>Parameters</h2>
 
                     </div>
             </div>
+                <div class="inner required">
+                    Required
+                </div>
         </div>
 <script type="application/ld+json">
     {
@@ -8220,7 +8235,8 @@ <h2>Parameters</h2>
       },
       "example" : " [ { \"Type\":\"REGULATED\", \"Name\":\"Nice23534\" } ]"
     }
-  }
+  },
+  "required" : true
 }
 </script>
                   </table>
@@ -8266,7 +8282,7 @@ <h3>Usage and SDK Samples</h3>
 }; 
 
 try {
-  const response = await xero.accountingApi.updateTimesheet(xeroTenantId, timesheetID, idempotencyKey, timesheet);
+  const response = await xero.accountingApi.updateTimesheet(xeroTenantId, timesheetID, timesheet, idempotencyKey);
   console.log(response.body || response.response.statusCode)
 } catch (err) {
   const error = JSON.stringify(err.response.body, null, 2)
@@ -8373,7 +8389,7 @@ <h2>Parameters</h2>
                       <th width="150px">Name</th>
                       <th>Description</th>
                     </tr>
-                    <tr><td style="width:150px;">timesheet </td>
+                    <tr><td style="width:150px;">timesheet <span style="color:red;">*</span></td>
 <td>
 <div class="json-schema-view">
             <div class="primitive">
@@ -8385,6 +8401,9 @@ <h2>Parameters</h2>
 
                     </div>
             </div>
+                <div class="inner required">
+                    Required
+                </div>
         </div>
 <script type="application/ld+json">
     {
@@ -8398,7 +8417,8 @@ <h2>Parameters</h2>
       },
       "example" : "[ { \"EmployeeID\":\"b34e89ff-770d-4099-b7e5-f968767118bc\", \"StartDate\":\"/Date(1573171200000+0000)/\", \"EndDate\":\"/Date(1573689600000+0000)/\", \"Status\":\"APPROVED\", \"Hours\":22.0, \"TimesheetID\":\"a7eb0a79-8511-4ee7-b473-3a25f28abcb9\", \"TimesheetLines\":[ { \"EarningsRateID\":\"ab874dfb-ab09-4c91-954e-43acf6fc23b4\", \"TrackingItemID\":\"af5e9ce2-2349-4136-be99-3561b189f473\", \"NumberOfUnits\":[ 2.0, 10.0, 0.0, 0.0, 5.0, 0.0, 5.0 ], \"UpdatedDateUTC\":\"/Date(1573516185127+0000)/\" } ] } ]"
     }
-  }
+  },
+  "required" : true
 }
 </script>
                   </table>
diff --git a/docs/payroll-nz/index.html b/docs/payroll-nz/index.html
index 0bb41c21..9c438c9d 100644
--- a/docs/payroll-nz/index.html
+++ b/docs/payroll-nz/index.html
@@ -3844,7 +3844,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="PayrollNz"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="PayrollNz"><strong>VSN: </strong>4.39.0</li>
+              <li class="nav-header" data-group="PayrollNz"><strong>VSN: </strong>5.0.0</li>
               <li class="nav-header" data-group="PayrollNz"><a href="#api-PayrollNz">Methods</a></li>
               <li data-group="PayrollNz" data-name="approveTimesheet" class="">
                 <a href="#api-PayrollNz-approveTimesheet">approveTimesheet</a>
diff --git a/docs/projects/index.html b/docs/projects/index.html
index 8bd3924d..6bb6332d 100644
--- a/docs/projects/index.html
+++ b/docs/projects/index.html
@@ -1463,7 +1463,7 @@
           <nav id="scrollingNav">
             <ul class="sidenav nav nav-list">
               <li class="nav-header" data-group="Project"><strong>SDK: </strong><span id='sdk-name'></span></li>
-              <li class="nav-header" data-group="Project"><strong>VSN: </strong>4.39.0</li>
+              <li class="nav-header" data-group="Project"><strong>VSN: </strong>5.0.0</li>
               <li class="nav-header" data-group="Project"><a href="#api-Project">Methods</a></li>
               <li data-group="Project" data-name="createProject" class="">
                 <a href="#api-Project-createProject">createProject</a>
diff --git a/package.json b/package.json
index ce19e50c..91aeed82 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "xero-node",
-  "version": "4.39.0",
+  "version": "5.0.0",
   "description": "Xero NodeJS OAuth 2.0 client for xero-node",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/src/gen/api/accountingApi.ts b/src/gen/api/accountingApi.ts
index 05ba5817..c9d45125 100644
--- a/src/gen/api/accountingApi.ts
+++ b/src/gen/api/accountingApi.ts
@@ -2,7 +2,7 @@
  * Xero Accounting API
  * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
  *
- * The version of the OpenAPI document: 2.40.3
+ * The version of the OpenAPI document: 3.0.0
  * Contact: api@xero.com
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
@@ -84,7 +84,7 @@ export enum AccountingApiApiKeys {
 
 export class AccountingApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-4.39.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-5.0.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
@@ -516,11 +516,11 @@ export class AccountingApi {
      * @summary Creates one or more spent or received money transaction
      * @param xeroTenantId Xero identifier for Tenant
      * @param bankTransactions BankTransactions with an array of BankTransaction objects in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createBankTransactions (xeroTenantId: string, bankTransactions: BankTransactions, idempotencyKey?: string, summarizeErrors?: boolean, unitdp?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: BankTransactions;  }> {
+    public async createBankTransactions (xeroTenantId: string, bankTransactions: BankTransactions, summarizeErrors?: boolean, unitdp?: number, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: BankTransactions;  }> {
         const localVarPath = this.basePath + '/BankTransactions';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -1463,10 +1463,10 @@ export class AccountingApi {
      * @summary Creates multiple contacts (bulk) in a Xero organisation
      * @param xeroTenantId Xero identifier for Tenant
      * @param contacts Contacts with an array of Contact objects to create in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createContacts (xeroTenantId: string, contacts: Contacts, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Contacts;  }> {
+    public async createContacts (xeroTenantId: string, contacts: Contacts, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Contacts;  }> {
         const localVarPath = this.basePath + '/Contacts';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -1544,10 +1544,10 @@ export class AccountingApi {
      * @param xeroTenantId Xero identifier for Tenant
      * @param creditNoteID Unique identifier for a Credit Note
      * @param allocations Allocations with array of Allocation object in body of request.
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createCreditNoteAllocation (xeroTenantId: string, creditNoteID: string, allocations: Allocations, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Allocations;  }> {
+    public async createCreditNoteAllocation (xeroTenantId: string, creditNoteID: string, allocations: Allocations, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Allocations;  }> {
         const localVarPath = this.basePath + '/CreditNotes/{CreditNoteID}/Allocations'
             .replace('{' + 'CreditNoteID' + '}', encodeURIComponent(String(creditNoteID)));
         let localVarQueryParameters: any = {};
@@ -1632,10 +1632,10 @@ export class AccountingApi {
      * @param creditNoteID Unique identifier for a Credit Note
      * @param fileName Name of the attachment
      * @param body Byte array of file in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param includeOnline Allows an attachment to be seen by the end customer within their online invoice
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createCreditNoteAttachmentByFileName (xeroTenantId: string, creditNoteID: string, fileName: string, body: fs.ReadStream, idempotencyKey?: string, includeOnline?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Attachments;  }> {
+    public async createCreditNoteAttachmentByFileName (xeroTenantId: string, creditNoteID: string, fileName: string, body: fs.ReadStream, includeOnline?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Attachments;  }> {
         const localVarPath = this.basePath + '/CreditNotes/{CreditNoteID}/Attachments/{FileName}'
             .replace('{' + 'CreditNoteID' + '}', encodeURIComponent(String(creditNoteID)))
             .replace('{' + 'FileName' + '}', encodeURIComponent(String(fileName)));
@@ -1829,11 +1829,11 @@ export class AccountingApi {
      * @summary Creates a new credit note
      * @param xeroTenantId Xero identifier for Tenant
      * @param creditNotes Credit Notes with array of CreditNote object in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createCreditNotes (xeroTenantId: string, creditNotes: CreditNotes, idempotencyKey?: string, summarizeErrors?: boolean, unitdp?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: CreditNotes;  }> {
+    public async createCreditNotes (xeroTenantId: string, creditNotes: CreditNotes, summarizeErrors?: boolean, unitdp?: number, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: CreditNotes;  }> {
         const localVarPath = this.basePath + '/CreditNotes';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -1989,10 +1989,10 @@ export class AccountingApi {
      * @summary Creates new employees used in Xero payrun
      * @param xeroTenantId Xero identifier for Tenant
      * @param employees Employees with array of Employee object in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createEmployees (xeroTenantId: string, employees: Employees, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Employees;  }> {
+    public async createEmployees (xeroTenantId: string, employees: Employees, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Employees;  }> {
         const localVarPath = this.basePath + '/Employees';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -2228,10 +2228,10 @@ export class AccountingApi {
      * @param invoiceID Unique identifier for an Invoice
      * @param fileName Name of the attachment
      * @param body Byte array of file in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param includeOnline Allows an attachment to be seen by the end customer within their online invoice
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createInvoiceAttachmentByFileName (xeroTenantId: string, invoiceID: string, fileName: string, body: fs.ReadStream, idempotencyKey?: string, includeOnline?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Attachments;  }> {
+    public async createInvoiceAttachmentByFileName (xeroTenantId: string, invoiceID: string, fileName: string, body: fs.ReadStream, includeOnline?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Attachments;  }> {
         const localVarPath = this.basePath + '/Invoices/{InvoiceID}/Attachments/{FileName}'
             .replace('{' + 'InvoiceID' + '}', encodeURIComponent(String(invoiceID)))
             .replace('{' + 'FileName' + '}', encodeURIComponent(String(fileName)));
@@ -2425,11 +2425,11 @@ export class AccountingApi {
      * @summary Creates one or more sales invoices or purchase bills
      * @param xeroTenantId Xero identifier for Tenant
      * @param invoices Invoices with an array of invoice objects in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createInvoices (xeroTenantId: string, invoices: Invoices, idempotencyKey?: string, summarizeErrors?: boolean, unitdp?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Invoices;  }> {
+    public async createInvoices (xeroTenantId: string, invoices: Invoices, summarizeErrors?: boolean, unitdp?: number, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Invoices;  }> {
         const localVarPath = this.basePath + '/Invoices';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -2592,11 +2592,11 @@ export class AccountingApi {
      * @summary Creates one or more items
      * @param xeroTenantId Xero identifier for Tenant
      * @param items Items with an array of Item objects in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createItems (xeroTenantId: string, items: Items, idempotencyKey?: string, summarizeErrors?: boolean, unitdp?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Items;  }> {
+    public async createItems (xeroTenantId: string, items: Items, summarizeErrors?: boolean, unitdp?: number, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Items;  }> {
         const localVarPath = this.basePath + '/Items';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -2946,10 +2946,10 @@ export class AccountingApi {
      * @summary Creates one or more manual journals
      * @param xeroTenantId Xero identifier for Tenant
      * @param manualJournals ManualJournals array with ManualJournal object in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createManualJournals (xeroTenantId: string, manualJournals: ManualJournals, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: ManualJournals;  }> {
+    public async createManualJournals (xeroTenantId: string, manualJournals: ManualJournals, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: ManualJournals;  }> {
         const localVarPath = this.basePath + '/ManualJournals';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -3027,10 +3027,10 @@ export class AccountingApi {
      * @param xeroTenantId Xero identifier for Tenant
      * @param overpaymentID Unique identifier for a Overpayment
      * @param allocations Allocations array with Allocation object in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createOverpaymentAllocations (xeroTenantId: string, overpaymentID: string, allocations: Allocations, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Allocations;  }> {
+    public async createOverpaymentAllocations (xeroTenantId: string, overpaymentID: string, allocations: Allocations, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Allocations;  }> {
         const localVarPath = this.basePath + '/Overpayments/{OverpaymentID}/Allocations'
             .replace('{' + 'OverpaymentID' + '}', encodeURIComponent(String(overpaymentID)));
         let localVarQueryParameters: any = {};
@@ -3427,10 +3427,10 @@ export class AccountingApi {
      * @summary Creates multiple payments for invoices or credit notes
      * @param xeroTenantId Xero identifier for Tenant
      * @param payments Payments array with Payment object in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createPayments (xeroTenantId: string, payments: Payments, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Payments;  }> {
+    public async createPayments (xeroTenantId: string, payments: Payments, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Payments;  }> {
         const localVarPath = this.basePath + '/Payments';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -3508,10 +3508,10 @@ export class AccountingApi {
      * @param xeroTenantId Xero identifier for Tenant
      * @param prepaymentID Unique identifier for a PrePayment
      * @param allocations Allocations with an array of Allocation object in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createPrepaymentAllocations (xeroTenantId: string, prepaymentID: string, allocations: Allocations, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Allocations;  }> {
+    public async createPrepaymentAllocations (xeroTenantId: string, prepaymentID: string, allocations: Allocations, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Allocations;  }> {
         const localVarPath = this.basePath + '/Prepayments/{PrepaymentID}/Allocations'
             .replace('{' + 'PrepaymentID' + '}', encodeURIComponent(String(prepaymentID)));
         let localVarQueryParameters: any = {};
@@ -3870,10 +3870,10 @@ export class AccountingApi {
      * @summary Creates one or more purchase orders
      * @param xeroTenantId Xero identifier for Tenant
      * @param purchaseOrders PurchaseOrders with an array of PurchaseOrder object in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createPurchaseOrders (xeroTenantId: string, purchaseOrders: PurchaseOrders, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: PurchaseOrders;  }> {
+    public async createPurchaseOrders (xeroTenantId: string, purchaseOrders: PurchaseOrders, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: PurchaseOrders;  }> {
         const localVarPath = this.basePath + '/PurchaseOrders';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -4144,10 +4144,10 @@ export class AccountingApi {
      * @summary Create one or more quotes
      * @param xeroTenantId Xero identifier for Tenant
      * @param quotes Quotes with an array of Quote object in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createQuotes (xeroTenantId: string, quotes: Quotes, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Quotes;  }> {
+    public async createQuotes (xeroTenantId: string, quotes: Quotes, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Quotes;  }> {
         const localVarPath = this.basePath + '/Quotes';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -4224,10 +4224,10 @@ export class AccountingApi {
      * @summary Creates draft expense claim receipts for any user
      * @param xeroTenantId Xero identifier for Tenant
      * @param receipts Receipts with an array of Receipt object in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createReceipt (xeroTenantId: string, receipts: Receipts, idempotencyKey?: string, unitdp?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Receipts;  }> {
+    public async createReceipt (xeroTenantId: string, receipts: Receipts, unitdp?: number, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Receipts;  }> {
         const localVarPath = this.basePath + '/Receipts';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -4692,10 +4692,10 @@ export class AccountingApi {
      * @summary Creates one or more repeating invoice templates
      * @param xeroTenantId Xero identifier for Tenant
      * @param repeatingInvoices RepeatingInvoices with an array of repeating invoice objects in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createRepeatingInvoices (xeroTenantId: string, repeatingInvoices: RepeatingInvoices, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: RepeatingInvoices;  }> {
+    public async createRepeatingInvoices (xeroTenantId: string, repeatingInvoices: RepeatingInvoices, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: RepeatingInvoices;  }> {
         const localVarPath = this.basePath + '/RepeatingInvoices';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -16571,10 +16571,10 @@ export class AccountingApi {
      * @param xeroTenantId Xero identifier for Tenant
      * @param bankTransactionID Xero generated unique identifier for a bank transaction
      * @param bankTransactions 
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateBankTransaction (xeroTenantId: string, bankTransactionID: string, bankTransactions: BankTransactions, idempotencyKey?: string, unitdp?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: BankTransactions;  }> {
+    public async updateBankTransaction (xeroTenantId: string, bankTransactionID: string, bankTransactions: BankTransactions, unitdp?: number, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: BankTransactions;  }> {
         const localVarPath = this.basePath + '/BankTransactions/{BankTransactionID}'
             .replace('{' + 'BankTransactionID' + '}', encodeURIComponent(String(bankTransactionID)));
         let localVarQueryParameters: any = {};
@@ -17156,10 +17156,10 @@ export class AccountingApi {
      * @param xeroTenantId Xero identifier for Tenant
      * @param creditNoteID Unique identifier for a Credit Note
      * @param creditNotes an array of Credit Notes containing credit note details to update
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateCreditNote (xeroTenantId: string, creditNoteID: string, creditNotes: CreditNotes, idempotencyKey?: string, unitdp?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: CreditNotes;  }> {
+    public async updateCreditNote (xeroTenantId: string, creditNoteID: string, creditNotes: CreditNotes, unitdp?: number, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: CreditNotes;  }> {
         const localVarPath = this.basePath + '/CreditNotes/{CreditNoteID}'
             .replace('{' + 'CreditNoteID' + '}', encodeURIComponent(String(creditNoteID)));
         let localVarQueryParameters: any = {};
@@ -17437,10 +17437,10 @@ export class AccountingApi {
      * @param xeroTenantId Xero identifier for Tenant
      * @param invoiceID Unique identifier for an Invoice
      * @param invoices 
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateInvoice (xeroTenantId: string, invoiceID: string, invoices: Invoices, idempotencyKey?: string, unitdp?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Invoices;  }> {
+    public async updateInvoice (xeroTenantId: string, invoiceID: string, invoices: Invoices, unitdp?: number, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Invoices;  }> {
         const localVarPath = this.basePath + '/Invoices/{InvoiceID}'
             .replace('{' + 'InvoiceID' + '}', encodeURIComponent(String(invoiceID)));
         let localVarQueryParameters: any = {};
@@ -17636,10 +17636,10 @@ export class AccountingApi {
      * @param xeroTenantId Xero identifier for Tenant
      * @param itemID Unique identifier for an Item
      * @param items 
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateItem (xeroTenantId: string, itemID: string, items: Items, idempotencyKey?: string, unitdp?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Items;  }> {
+    public async updateItem (xeroTenantId: string, itemID: string, items: Items, unitdp?: number, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Items;  }> {
         const localVarPath = this.basePath + '/Items/{ItemID}'
             .replace('{' + 'ItemID' + '}', encodeURIComponent(String(itemID)));
         let localVarQueryParameters: any = {};
@@ -17998,11 +17998,11 @@ export class AccountingApi {
      * @summary Updates or creates one or more spent or received money transaction
      * @param xeroTenantId Xero identifier for Tenant
      * @param bankTransactions 
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateOrCreateBankTransactions (xeroTenantId: string, bankTransactions: BankTransactions, idempotencyKey?: string, summarizeErrors?: boolean, unitdp?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: BankTransactions;  }> {
+    public async updateOrCreateBankTransactions (xeroTenantId: string, bankTransactions: BankTransactions, summarizeErrors?: boolean, unitdp?: number, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: BankTransactions;  }> {
         const localVarPath = this.basePath + '/BankTransactions';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -18083,10 +18083,10 @@ export class AccountingApi {
      * @summary Updates or creates one or more contacts in a Xero organisation
      * @param xeroTenantId Xero identifier for Tenant
      * @param contacts 
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateOrCreateContacts (xeroTenantId: string, contacts: Contacts, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Contacts;  }> {
+    public async updateOrCreateContacts (xeroTenantId: string, contacts: Contacts, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Contacts;  }> {
         const localVarPath = this.basePath + '/Contacts';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -18163,11 +18163,11 @@ export class AccountingApi {
      * @summary Updates or creates one or more credit notes
      * @param xeroTenantId Xero identifier for Tenant
      * @param creditNotes an array of Credit Notes with a single CreditNote object.
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateOrCreateCreditNotes (xeroTenantId: string, creditNotes: CreditNotes, idempotencyKey?: string, summarizeErrors?: boolean, unitdp?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: CreditNotes;  }> {
+    public async updateOrCreateCreditNotes (xeroTenantId: string, creditNotes: CreditNotes, summarizeErrors?: boolean, unitdp?: number, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: CreditNotes;  }> {
         const localVarPath = this.basePath + '/CreditNotes';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -18248,10 +18248,10 @@ export class AccountingApi {
      * @summary Creates a single new employees used in Xero payrun
      * @param xeroTenantId Xero identifier for Tenant
      * @param employees Employees with array of Employee object in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateOrCreateEmployees (xeroTenantId: string, employees: Employees, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Employees;  }> {
+    public async updateOrCreateEmployees (xeroTenantId: string, employees: Employees, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Employees;  }> {
         const localVarPath = this.basePath + '/Employees';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -18328,11 +18328,11 @@ export class AccountingApi {
      * @summary Updates or creates one or more sales invoices or purchase bills
      * @param xeroTenantId Xero identifier for Tenant
      * @param invoices 
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateOrCreateInvoices (xeroTenantId: string, invoices: Invoices, idempotencyKey?: string, summarizeErrors?: boolean, unitdp?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Invoices;  }> {
+    public async updateOrCreateInvoices (xeroTenantId: string, invoices: Invoices, summarizeErrors?: boolean, unitdp?: number, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Invoices;  }> {
         const localVarPath = this.basePath + '/Invoices';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -18413,11 +18413,11 @@ export class AccountingApi {
      * @summary Updates or creates one or more items
      * @param xeroTenantId Xero identifier for Tenant
      * @param items 
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateOrCreateItems (xeroTenantId: string, items: Items, idempotencyKey?: string, summarizeErrors?: boolean, unitdp?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Items;  }> {
+    public async updateOrCreateItems (xeroTenantId: string, items: Items, summarizeErrors?: boolean, unitdp?: number, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Items;  }> {
         const localVarPath = this.basePath + '/Items';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -18498,10 +18498,10 @@ export class AccountingApi {
      * @summary Updates or creates a single manual journal
      * @param xeroTenantId Xero identifier for Tenant
      * @param manualJournals ManualJournals array with ManualJournal object in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateOrCreateManualJournals (xeroTenantId: string, manualJournals: ManualJournals, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: ManualJournals;  }> {
+    public async updateOrCreateManualJournals (xeroTenantId: string, manualJournals: ManualJournals, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: ManualJournals;  }> {
         const localVarPath = this.basePath + '/ManualJournals';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -18578,10 +18578,10 @@ export class AccountingApi {
      * @summary Updates or creates one or more purchase orders
      * @param xeroTenantId Xero identifier for Tenant
      * @param purchaseOrders 
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateOrCreatePurchaseOrders (xeroTenantId: string, purchaseOrders: PurchaseOrders, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: PurchaseOrders;  }> {
+    public async updateOrCreatePurchaseOrders (xeroTenantId: string, purchaseOrders: PurchaseOrders, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: PurchaseOrders;  }> {
         const localVarPath = this.basePath + '/PurchaseOrders';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -18658,10 +18658,10 @@ export class AccountingApi {
      * @summary Updates or creates one or more quotes
      * @param xeroTenantId Xero identifier for Tenant
      * @param quotes 
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateOrCreateQuotes (xeroTenantId: string, quotes: Quotes, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Quotes;  }> {
+    public async updateOrCreateQuotes (xeroTenantId: string, quotes: Quotes, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Quotes;  }> {
         const localVarPath = this.basePath + '/Quotes';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -18738,10 +18738,10 @@ export class AccountingApi {
      * @summary Creates or deletes one or more repeating invoice templates
      * @param xeroTenantId Xero identifier for Tenant
      * @param repeatingInvoices RepeatingInvoices with an array of repeating invoice objects in body of request
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param summarizeErrors If false return 200 OK and mix of successfully created objects and any with validation errors
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateOrCreateRepeatingInvoices (xeroTenantId: string, repeatingInvoices: RepeatingInvoices, idempotencyKey?: string, summarizeErrors?: boolean, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: RepeatingInvoices;  }> {
+    public async updateOrCreateRepeatingInvoices (xeroTenantId: string, repeatingInvoices: RepeatingInvoices, summarizeErrors?: boolean, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: RepeatingInvoices;  }> {
         const localVarPath = this.basePath + '/RepeatingInvoices';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -19207,10 +19207,10 @@ export class AccountingApi {
      * @param xeroTenantId Xero identifier for Tenant
      * @param receiptID Unique identifier for a Receipt
      * @param receipts 
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param unitdp e.g. unitdp&#x3D;4 – (Unit Decimal Places) You can opt in to use four decimal places for unit amounts
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateReceipt (xeroTenantId: string, receiptID: string, receipts: Receipts, idempotencyKey?: string, unitdp?: number, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Receipts;  }> {
+    public async updateReceipt (xeroTenantId: string, receiptID: string, receipts: Receipts, unitdp?: number, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Receipts;  }> {
         const localVarPath = this.basePath + '/Receipts/{ReceiptID}'
             .replace('{' + 'ReceiptID' + '}', encodeURIComponent(String(receiptID)));
         let localVarQueryParameters: any = {};
diff --git a/src/gen/api/appStoreApi.ts b/src/gen/api/appStoreApi.ts
index f8faf4c9..85633d07 100644
--- a/src/gen/api/appStoreApi.ts
+++ b/src/gen/api/appStoreApi.ts
@@ -2,7 +2,7 @@
  * Xero AppStore API
  * These endpoints are for Xero Partners to interact with the App Store Billing platform
  *
- * The version of the OpenAPI document: 2.40.3
+ * The version of the OpenAPI document: 3.0.0
  * Contact: api@xero.com
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
@@ -37,7 +37,7 @@ export enum AppStoreApiApiKeys {
 
 export class AppStoreApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-4.39.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-5.0.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
diff --git a/src/gen/api/assetApi.ts b/src/gen/api/assetApi.ts
index ef4a7bb5..82f174f7 100644
--- a/src/gen/api/assetApi.ts
+++ b/src/gen/api/assetApi.ts
@@ -2,7 +2,7 @@
  * Xero Assets API
  * The Assets API exposes fixed asset related functions of the Xero Accounting application and can be used for a variety of purposes such as creating assets, retrieving asset valuations etc.
  *
- * The version of the OpenAPI document: 2.40.3
+ * The version of the OpenAPI document: 3.0.0
  * Contact: api@xero.com
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
@@ -36,7 +36,7 @@ export enum AssetApiApiKeys {
 
 export class AssetApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-4.39.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-5.0.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
@@ -161,10 +161,10 @@ export class AssetApi {
      * Adds an fixed asset type to the system
      * @summary adds a fixed asset type
      * @param xeroTenantId Xero identifier for Tenant
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param assetType Asset type to add
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createAssetType (xeroTenantId: string, idempotencyKey?: string, assetType?: AssetType, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: AssetType;  }> {
+    public async createAssetType (xeroTenantId: string, assetType: AssetType, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: AssetType;  }> {
         const localVarPath = this.basePath + '/AssetTypes';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -180,6 +180,11 @@ export class AssetApi {
             throw new Error('Required parameter xeroTenantId was null or undefined when calling createAssetType.');
         }
 
+        // verify required parameter 'assetType' is not null or undefined
+        if (assetType === null || assetType === undefined) {
+            throw new Error('Required parameter assetType was null or undefined when calling createAssetType.');
+        }
+
         localVarHeaderParams['xero-tenant-id'] = ObjectSerializer.serialize(xeroTenantId, "string");
         localVarHeaderParams['Idempotency-Key'] = ObjectSerializer.serialize(idempotencyKey, "string");
         localVarHeaderParams['Accept'] = acceptHeadersFromSpec.join();
diff --git a/src/gen/api/bankfeedsApi.ts b/src/gen/api/bankfeedsApi.ts
index 2f05e96d..2aff3499 100644
--- a/src/gen/api/bankfeedsApi.ts
+++ b/src/gen/api/bankfeedsApi.ts
@@ -2,7 +2,7 @@
  * Xero Bank Feeds API
  * The Bank Feeds API is a closed API that is only available to financial institutions that have an established financial services partnership with Xero. If you\'re an existing financial services partner that wants access, contact your local Partner Manager. If you\'re a financial institution who wants to provide bank feeds to your business customers, contact us to become a financial services partner.
  *
- * The version of the OpenAPI document: 2.40.3
+ * The version of the OpenAPI document: 3.0.0
  * Contact: api@xero.com
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
@@ -35,7 +35,7 @@ export enum BankFeedsApiApiKeys {
 
 export class BankFeedsApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-4.39.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-5.0.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
@@ -160,10 +160,10 @@ export class BankFeedsApi {
      * 
      * @summary Creates one or more new statements
      * @param xeroTenantId Xero identifier for Tenant
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param statements Statements array of objects in the body
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createStatements (xeroTenantId: string, idempotencyKey?: string, statements?: Statements, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Statements;  }> {
+    public async createStatements (xeroTenantId: string, statements: Statements, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Statements;  }> {
         const localVarPath = this.basePath + '/Statements';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -180,6 +180,11 @@ export class BankFeedsApi {
             throw new Error('Required parameter xeroTenantId was null or undefined when calling createStatements.');
         }
 
+        // verify required parameter 'statements' is not null or undefined
+        if (statements === null || statements === undefined) {
+            throw new Error('Required parameter statements was null or undefined when calling createStatements.');
+        }
+
         localVarHeaderParams['Xero-Tenant-Id'] = ObjectSerializer.serialize(xeroTenantId, "string");
         localVarHeaderParams['Idempotency-Key'] = ObjectSerializer.serialize(idempotencyKey, "string");
         localVarHeaderParams['Accept'] = acceptHeadersFromSpec.join();
diff --git a/src/gen/api/filesApi.ts b/src/gen/api/filesApi.ts
index 67576c6f..e64f357f 100644
--- a/src/gen/api/filesApi.ts
+++ b/src/gen/api/filesApi.ts
@@ -2,7 +2,7 @@
  * Xero Files API
  * These endpoints are specific to Xero Files API
  *
- * The version of the OpenAPI document: 2.40.3
+ * The version of the OpenAPI document: 3.0.0
  * Contact: api@xero.com
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
@@ -35,7 +35,7 @@ export enum FilesApiApiKeys {
 
 export class FilesApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-4.39.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-5.0.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
@@ -86,10 +86,10 @@ export class FilesApi {
      * @summary Creates a new file association
      * @param xeroTenantId Xero identifier for Tenant
      * @param fileId File id for single object
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param association 
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createFileAssociation (xeroTenantId: string, fileId: string, idempotencyKey?: string, association?: Association, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Association;  }> {
+    public async createFileAssociation (xeroTenantId: string, fileId: string, association: Association, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Association;  }> {
         const localVarPath = this.basePath + '/Files/{FileId}/Associations'
             .replace('{' + 'FileId' + '}', encodeURIComponent(String(fileId)));
         let localVarQueryParameters: any = {};
@@ -111,6 +111,11 @@ export class FilesApi {
             throw new Error('Required parameter fileId was null or undefined when calling createFileAssociation.');
         }
 
+        // verify required parameter 'association' is not null or undefined
+        if (association === null || association === undefined) {
+            throw new Error('Required parameter association was null or undefined when calling createFileAssociation.');
+        }
+
         localVarHeaderParams['xero-tenant-id'] = ObjectSerializer.serialize(xeroTenantId, "string");
         localVarHeaderParams['Idempotency-Key'] = ObjectSerializer.serialize(idempotencyKey, "string");
         localVarHeaderParams['Accept'] = acceptHeadersFromSpec.join();
@@ -162,10 +167,10 @@ export class FilesApi {
      * By passing in the appropriate properties, you can create a new folder
      * @summary Creates a new folder
      * @param xeroTenantId Xero identifier for Tenant
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param folder 
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async createFolder (xeroTenantId: string, idempotencyKey?: string, folder?: Folder, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Folder;  }> {
+    public async createFolder (xeroTenantId: string, folder: Folder, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Folder;  }> {
         const localVarPath = this.basePath + '/Folders';
         let localVarQueryParameters: any = {};
         let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
@@ -181,6 +186,11 @@ export class FilesApi {
             throw new Error('Required parameter xeroTenantId was null or undefined when calling createFolder.');
         }
 
+        // verify required parameter 'folder' is not null or undefined
+        if (folder === null || folder === undefined) {
+            throw new Error('Required parameter folder was null or undefined when calling createFolder.');
+        }
+
         localVarHeaderParams['xero-tenant-id'] = ObjectSerializer.serialize(xeroTenantId, "string");
         localVarHeaderParams['Idempotency-Key'] = ObjectSerializer.serialize(idempotencyKey, "string");
         localVarHeaderParams['Accept'] = acceptHeadersFromSpec.join();
@@ -1147,10 +1157,10 @@ export class FilesApi {
      * @summary Update a file
      * @param xeroTenantId Xero identifier for Tenant
      * @param fileId File id for single object
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param fileObject 
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateFile (xeroTenantId: string, fileId: string, idempotencyKey?: string, fileObject?: FileObject, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: FileObject;  }> {
+    public async updateFile (xeroTenantId: string, fileId: string, fileObject: FileObject, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: FileObject;  }> {
         const localVarPath = this.basePath + '/Files/{FileId}'
             .replace('{' + 'FileId' + '}', encodeURIComponent(String(fileId)));
         let localVarQueryParameters: any = {};
@@ -1172,6 +1182,11 @@ export class FilesApi {
             throw new Error('Required parameter fileId was null or undefined when calling updateFile.');
         }
 
+        // verify required parameter 'fileObject' is not null or undefined
+        if (fileObject === null || fileObject === undefined) {
+            throw new Error('Required parameter fileObject was null or undefined when calling updateFile.');
+        }
+
         localVarHeaderParams['xero-tenant-id'] = ObjectSerializer.serialize(xeroTenantId, "string");
         localVarHeaderParams['Idempotency-Key'] = ObjectSerializer.serialize(idempotencyKey, "string");
         localVarHeaderParams['Accept'] = acceptHeadersFromSpec.join();
diff --git a/src/gen/api/financeApi.ts b/src/gen/api/financeApi.ts
index 52db876a..e94592e0 100644
--- a/src/gen/api/financeApi.ts
+++ b/src/gen/api/financeApi.ts
@@ -2,7 +2,7 @@
  * Xero Finance API
  * The Finance API is a collection of endpoints which customers can use in the course of a loan application, which may assist lenders to gain the confidence they need to provide capital.
  *
- * The version of the OpenAPI document: 2.40.3
+ * The version of the OpenAPI document: 3.0.0
  * Contact: api@xero.com
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
@@ -43,7 +43,7 @@ export enum FinanceApiApiKeys {
 
 export class FinanceApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-4.39.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-5.0.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
diff --git a/src/gen/api/payrollAUApi.ts b/src/gen/api/payrollAUApi.ts
index 4d7d2858..d9cea084 100644
--- a/src/gen/api/payrollAUApi.ts
+++ b/src/gen/api/payrollAUApi.ts
@@ -2,7 +2,7 @@
  * Xero Payroll AU API
  * This is the Xero Payroll API for orgs in Australia region.
  *
- * The version of the OpenAPI document: 2.40.3
+ * The version of the OpenAPI document: 3.0.0
  * Contact: api@xero.com
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
@@ -52,7 +52,7 @@ export enum PayrollAuApiApiKeys {
 
 export class PayrollAuApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-4.39.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-5.0.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
@@ -2114,10 +2114,10 @@ export class PayrollAuApi {
      * @summary Updates an employee\'s detail
      * @param xeroTenantId Xero identifier for Tenant
      * @param employeeID Employee id for single object
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param employee 
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateEmployee (xeroTenantId: string, employeeID: string, idempotencyKey?: string, employee?: Array<Employee>, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Employees;  }> {
+    public async updateEmployee (xeroTenantId: string, employeeID: string, employee: Array<Employee>, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Employees;  }> {
         const localVarPath = this.basePath + '/Employees/{EmployeeID}'
             .replace('{' + 'EmployeeID' + '}', encodeURIComponent(String(employeeID)));
         let localVarQueryParameters: any = {};
@@ -2139,6 +2139,11 @@ export class PayrollAuApi {
             throw new Error('Required parameter employeeID was null or undefined when calling updateEmployee.');
         }
 
+        // verify required parameter 'employee' is not null or undefined
+        if (employee === null || employee === undefined) {
+            throw new Error('Required parameter employee was null or undefined when calling updateEmployee.');
+        }
+
         localVarHeaderParams['Xero-Tenant-Id'] = ObjectSerializer.serialize(xeroTenantId, "string");
         localVarHeaderParams['Idempotency-Key'] = ObjectSerializer.serialize(idempotencyKey, "string");
         localVarHeaderParams['Accept'] = acceptHeadersFromSpec.join();
@@ -2273,10 +2278,10 @@ export class PayrollAuApi {
      * @summary Updates a pay run
      * @param xeroTenantId Xero identifier for Tenant
      * @param payRunID PayRun id for single object
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param payRun 
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updatePayRun (xeroTenantId: string, payRunID: string, idempotencyKey?: string, payRun?: Array<PayRun>, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: PayRuns;  }> {
+    public async updatePayRun (xeroTenantId: string, payRunID: string, payRun: Array<PayRun>, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: PayRuns;  }> {
         const localVarPath = this.basePath + '/PayRuns/{PayRunID}'
             .replace('{' + 'PayRunID' + '}', encodeURIComponent(String(payRunID)));
         let localVarQueryParameters: any = {};
@@ -2298,6 +2303,11 @@ export class PayrollAuApi {
             throw new Error('Required parameter payRunID was null or undefined when calling updatePayRun.');
         }
 
+        // verify required parameter 'payRun' is not null or undefined
+        if (payRun === null || payRun === undefined) {
+            throw new Error('Required parameter payRun was null or undefined when calling updatePayRun.');
+        }
+
         localVarHeaderParams['Xero-Tenant-Id'] = ObjectSerializer.serialize(xeroTenantId, "string");
         localVarHeaderParams['Idempotency-Key'] = ObjectSerializer.serialize(idempotencyKey, "string");
         localVarHeaderParams['Accept'] = acceptHeadersFromSpec.join();
@@ -2350,10 +2360,10 @@ export class PayrollAuApi {
      * @summary Updates a payslip
      * @param xeroTenantId Xero identifier for Tenant
      * @param payslipID Payslip id for single object
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param payslipLines 
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updatePayslip (xeroTenantId: string, payslipID: string, idempotencyKey?: string, payslipLines?: Array<PayslipLines>, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Payslips;  }> {
+    public async updatePayslip (xeroTenantId: string, payslipID: string, payslipLines: Array<PayslipLines>, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Payslips;  }> {
         const localVarPath = this.basePath + '/Payslip/{PayslipID}'
             .replace('{' + 'PayslipID' + '}', encodeURIComponent(String(payslipID)));
         let localVarQueryParameters: any = {};
@@ -2375,6 +2385,11 @@ export class PayrollAuApi {
             throw new Error('Required parameter payslipID was null or undefined when calling updatePayslip.');
         }
 
+        // verify required parameter 'payslipLines' is not null or undefined
+        if (payslipLines === null || payslipLines === undefined) {
+            throw new Error('Required parameter payslipLines was null or undefined when calling updatePayslip.');
+        }
+
         localVarHeaderParams['Xero-Tenant-Id'] = ObjectSerializer.serialize(xeroTenantId, "string");
         localVarHeaderParams['Idempotency-Key'] = ObjectSerializer.serialize(idempotencyKey, "string");
         localVarHeaderParams['Accept'] = acceptHeadersFromSpec.join();
@@ -2427,10 +2442,10 @@ export class PayrollAuApi {
      * @summary Updates a superfund
      * @param xeroTenantId Xero identifier for Tenant
      * @param superFundID Superfund id for single object
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param superFund 
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateSuperfund (xeroTenantId: string, superFundID: string, idempotencyKey?: string, superFund?: Array<SuperFund>, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: SuperFunds;  }> {
+    public async updateSuperfund (xeroTenantId: string, superFundID: string, superFund: Array<SuperFund>, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: SuperFunds;  }> {
         const localVarPath = this.basePath + '/Superfunds/{SuperFundID}'
             .replace('{' + 'SuperFundID' + '}', encodeURIComponent(String(superFundID)));
         let localVarQueryParameters: any = {};
@@ -2452,6 +2467,11 @@ export class PayrollAuApi {
             throw new Error('Required parameter superFundID was null or undefined when calling updateSuperfund.');
         }
 
+        // verify required parameter 'superFund' is not null or undefined
+        if (superFund === null || superFund === undefined) {
+            throw new Error('Required parameter superFund was null or undefined when calling updateSuperfund.');
+        }
+
         localVarHeaderParams['Xero-Tenant-Id'] = ObjectSerializer.serialize(xeroTenantId, "string");
         localVarHeaderParams['Idempotency-Key'] = ObjectSerializer.serialize(idempotencyKey, "string");
         localVarHeaderParams['Accept'] = acceptHeadersFromSpec.join();
@@ -2504,10 +2524,10 @@ export class PayrollAuApi {
      * @summary Updates a timesheet
      * @param xeroTenantId Xero identifier for Tenant
      * @param timesheetID Timesheet id for single object
-     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      * @param timesheet 
+     * @param idempotencyKey This allows you to safely retry requests without the risk of duplicate processing. 128 character max.
      */     
-    public async updateTimesheet (xeroTenantId: string, timesheetID: string, idempotencyKey?: string, timesheet?: Array<Timesheet>, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Timesheets;  }> {
+    public async updateTimesheet (xeroTenantId: string, timesheetID: string, timesheet: Array<Timesheet>, idempotencyKey?: string, options: {headers: {[name: string]: string}} = {headers: {}}) : Promise<{ response: AxiosResponse; body: Timesheets;  }> {
         const localVarPath = this.basePath + '/Timesheets/{TimesheetID}'
             .replace('{' + 'TimesheetID' + '}', encodeURIComponent(String(timesheetID)));
         let localVarQueryParameters: any = {};
@@ -2529,6 +2549,11 @@ export class PayrollAuApi {
             throw new Error('Required parameter timesheetID was null or undefined when calling updateTimesheet.');
         }
 
+        // verify required parameter 'timesheet' is not null or undefined
+        if (timesheet === null || timesheet === undefined) {
+            throw new Error('Required parameter timesheet was null or undefined when calling updateTimesheet.');
+        }
+
         localVarHeaderParams['Xero-Tenant-Id'] = ObjectSerializer.serialize(xeroTenantId, "string");
         localVarHeaderParams['Idempotency-Key'] = ObjectSerializer.serialize(idempotencyKey, "string");
         localVarHeaderParams['Accept'] = acceptHeadersFromSpec.join();
diff --git a/src/gen/api/payrollNZApi.ts b/src/gen/api/payrollNZApi.ts
index e16b8613..b7aa7c48 100644
--- a/src/gen/api/payrollNZApi.ts
+++ b/src/gen/api/payrollNZApi.ts
@@ -2,7 +2,7 @@
  * Xero Payroll NZ
  * This is the Xero Payroll API for orgs in the NZ region.
  *
- * The version of the OpenAPI document: 2.40.3
+ * The version of the OpenAPI document: 3.0.0
  * Contact: api@xero.com
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
@@ -93,7 +93,7 @@ export enum PayrollNzApiApiKeys {
 
 export class PayrollNzApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-4.39.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-5.0.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
diff --git a/src/gen/api/payrollUKApi.ts b/src/gen/api/payrollUKApi.ts
index 32ecc450..ae881933 100644
--- a/src/gen/api/payrollUKApi.ts
+++ b/src/gen/api/payrollUKApi.ts
@@ -2,7 +2,7 @@
  * Xero Payroll UK
  * This is the Xero Payroll API for orgs in the UK region.
  *
- * The version of the OpenAPI document: 2.40.3
+ * The version of the OpenAPI document: 3.0.0
  * Contact: api@xero.com
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
@@ -93,7 +93,7 @@ export enum PayrollUkApiApiKeys {
 
 export class PayrollUkApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-4.39.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-5.0.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};
 
diff --git a/src/gen/api/projectApi.ts b/src/gen/api/projectApi.ts
index 0666ee65..c6ef23e1 100644
--- a/src/gen/api/projectApi.ts
+++ b/src/gen/api/projectApi.ts
@@ -2,7 +2,7 @@
  * Xero Projects API
  * This is the Xero Projects API
  *
- * The version of the OpenAPI document: 2.40.3
+ * The version of the OpenAPI document: 3.0.0
  * Contact: api@xero.com
  *
  * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
@@ -43,7 +43,7 @@ export enum ProjectApiApiKeys {
 
 export class ProjectApi {
     protected _basePath = defaultBasePath;
-    protected defaultHeaders : any = {'user-agent': 'xero-node-4.39.0'};
+    protected defaultHeaders : any = {'user-agent': 'xero-node-5.0.0'};
     protected _useQuerystring : boolean = false;
     protected binaryHeaders : any = {};