diff --git a/extension-iap/api/iap.script_api b/extension-iap/api/iap.script_api
index 31efacb..a7d92ec 100644
--- a/extension-iap/api/iap.script_api
+++ b/extension-iap/api/iap.script_api
@@ -309,6 +309,15 @@
 
                - `iap.REASON_USER_CANCELED`
 
+#*****************************************************************************************************
+
+  - name: set_account_id
+    desc: Sets a account identifier which associates purchases made by users on your app. Currently only supported for Google Play and StoreKit.
+    parameters:
+    - name: account_id
+      type: string
+      desc: a string that associates the purchase with a user on your app.
+
 #*****************************************************************************************************
 
   - name: PROVIDER_ID_AMAZON