diff --git a/amplifyjs/amplifyjs.d.ts b/amplifyjs/amplifyjs.d.ts
index 30e8272943..961d815c60 100644
--- a/amplifyjs/amplifyjs.d.ts
+++ b/amplifyjs/amplifyjs.d.ts
@@ -29,6 +29,7 @@ interface amplifyDecoders {
 
 interface amplifyAjaxSettings extends JQueryAjaxSettings  {
     cache?: any;
+    dataMap?: {} | ((data: any) => {});
     decoder?: any /* string or amplifyDecoder */;
 }