diff --git a/azure-mobile-apps/azure-mobile-apps.d.ts b/azure-mobile-apps/azure-mobile-apps.d.ts
index 4731d91eb2..54aaa66f8b 100644
--- a/azure-mobile-apps/azure-mobile-apps.d.ts
+++ b/azure-mobile-apps/azure-mobile-apps.d.ts
@@ -253,9 +253,9 @@ declare namespace Azure.MobileApps {
         softDelete?: boolean;
         userIdColumn?: string;
 
-        filters?: [(QueryJs, Context) => void | QueryJs];
-        transforms?: [(any, Context) => void | any];
-        hooks?: [(any, Context) => void];
+        filters?: [(query: QueryJs, context: Context) => void | QueryJs];
+        transforms?: [(item: any, context: Context) => void | any];
+        hooks?: [(results: any, context: Context) => void];
 
         perUser?: boolean;
         recordsExpire?: Duration;