diff --git a/packages/destination-actions/src/destinations/facebook-custom-audiences/fbca-properties.ts b/packages/destination-actions/src/destinations/facebook-custom-audiences/fbca-properties.ts
index 915c34f429..4e534ce181 100644
--- a/packages/destination-actions/src/destinations/facebook-custom-audiences/fbca-properties.ts
+++ b/packages/destination-actions/src/destinations/facebook-custom-audiences/fbca-properties.ts
@@ -1,4 +1,4 @@
-import { GlobalSetting } from '@segment/actions-core'
+import { GlobalSetting, InputField } from '@segment/actions-core'
 
 export const adAccountId: GlobalSetting = {
   type: 'string',
@@ -7,6 +7,24 @@ export const adAccountId: GlobalSetting = {
   required: true
 }
 
+export const enable_batching: InputField = {
+  label: 'Enable Batching',
+  description: 'Enable batching of requests.',
+  type: 'boolean',
+  default: true,
+  unsafe_hidden: true,
+  required: true
+}
+
+export const batch_size: InputField = {
+  label: 'Batch Size',
+  description: 'Maximum number of events to include in each batch. Actual batch sizes may be lower.',
+  type: 'number',
+  default: 10000,
+  unsafe_hidden: true,
+  required: true
+}
+
 // A hardcoded list of all possible schema properties that can be sent to Facebook.
 // If the payloads do not contain a value for one of these schema properties, then empty string will be sent
 export const SCHEMA_PROPERTIES = [
diff --git a/packages/destination-actions/src/destinations/facebook-custom-audiences/sync/index.ts b/packages/destination-actions/src/destinations/facebook-custom-audiences/sync/index.ts
index 69c29a9675..bd4a901b9c 100644
--- a/packages/destination-actions/src/destinations/facebook-custom-audiences/sync/index.ts
+++ b/packages/destination-actions/src/destinations/facebook-custom-audiences/sync/index.ts
@@ -1,7 +1,8 @@
-import type { ActionDefinition } from '@segment/actions-core'
+import { IntegrationError, ActionDefinition } from '@segment/actions-core'
 import type { Settings } from '../generated-types'
 import type { Payload } from './generated-types'
 import FacebookClient from '../fbca-operations'
+import { batch_size, enable_batching } from '../fbca-properties'
 
 const action: ActionDefinition<Settings, Payload> = {
   title: 'Sync Audience',
@@ -251,7 +252,9 @@ const action: ActionDefinition<Settings, Payload> = {
       multiple: true,
       label: 'Page IDs',
       description: 'The page IDs of the user.'
-    }
+    },
+    enable_batching,
+    batch_size
   },
   perform: async (request, { settings, payload, hookOutputs, syncMode }) => {
     const fbClient = new FacebookClient(request, settings.retlAdAccountId)
@@ -263,6 +266,8 @@ const action: ActionDefinition<Settings, Payload> = {
         deleteUsers: syncMode === 'delete' ? true : false
       })
     }
+
+    throw new IntegrationError('Sync mode is required for perform', 'MISSING_REQUIRED_FIELD', 400)
   },
   performBatch: async (request, { settings, payload, hookOutputs, syncMode }) => {
     const fbClient = new FacebookClient(request, settings.retlAdAccountId)
@@ -274,6 +279,8 @@ const action: ActionDefinition<Settings, Payload> = {
         deleteUsers: syncMode === 'delete' ? true : false
       })
     }
+
+    throw new IntegrationError('Sync mode is required for performBatch', 'MISSING_REQUIRED_FIELD', 400)
   }
 }