diff --git a/MangoPay/PayIn.php b/MangoPay/PayIn.php
index 56bba34b..48707bd0 100644
--- a/MangoPay/PayIn.php
+++ b/MangoPay/PayIn.php
@@ -56,6 +56,7 @@ public function GetDependsObjects()
                 '_property_name' => 'ExecutionDetails',
                 PayInExecutionType::Web => '\MangoPay\PayInExecutionDetailsWeb',
                 PayInExecutionType::Direct => '\MangoPay\PayInExecutionDetailsDirect',
+                PayInExecutionType::ExternalInstruction => '\MangoPay\PayInExecutionDetailsExternalInstruction',                
                 // ...and more in future...
             )
         );
diff --git a/MangoPay/PayInExecutionDetailsExternalInstruction.php b/MangoPay/PayInExecutionDetailsExternalInstruction.php
new file mode 100644
index 00000000..1a32ce5b
--- /dev/null
+++ b/MangoPay/PayInExecutionDetailsExternalInstruction.php
@@ -0,0 +1,9 @@
+<?php
+namespace MangoPay;
+
+/**
+ * Class represents Web type for execution option in PayIn entity
+ */
+class PayInExecutionDetailsExternalInstruction extends Libraries\Dto implements PayInExecutionDetails
+{
+}
diff --git a/MangoPay/PayInExecutionType.php b/MangoPay/PayInExecutionType.php
index cb58ce79..440812ea 100644
--- a/MangoPay/PayInExecutionType.php
+++ b/MangoPay/PayInExecutionType.php
@@ -8,4 +8,5 @@ class PayInExecutionType
 {
     const Direct = 'DIRECT';
     const Web = 'WEB';
+    const ExternalInstruction = 'EXTERNAL_INSTRUCTION';
 }