diff --git a/breeze/breeze-tests.ts b/breeze/breeze-tests.ts
index 06a50b3fc..09dd6a4a3 100644
--- a/breeze/breeze-tests.ts
+++ b/breeze/breeze-tests.ts
@@ -279,10 +279,10 @@ function test_entityManager() {
         var entity = changeArgs.entity;
     });
     var em = new breeze.EntityManager({ serviceName: "api/NorthwindIBModel" });
-    //em.hasChanges.subscribe(function (args) {
-    //    var hasChanges = args.hasChanges;
-    //    var entityManager = args.entityManager;
-    //});
+    em.hasChangesChanged.subscribe(function (args) {
+        var hasChangesChanged = args.hasChanges;
+        var entityManager = args.entityManager;
+    });
 }
 
 function test_entityQuery() {
@@ -784,4 +784,4 @@ function test_demo() {
         .from("Employees");
 
     manager.executeQuery(query).then(function (data) { });
-}
\ No newline at end of file
+}
diff --git a/breeze/breeze.d.ts b/breeze/breeze.d.ts
index aad7448d8..8a6458498 100644
--- a/breeze/breeze.d.ts
+++ b/breeze/breeze.d.ts
@@ -280,7 +280,7 @@ declare module Breeze {
         validationOptions: ValidationOptions;
 
         entityChanged: EntityChangedEvent;
-        // hasChanges: BreezeCore.Event;
+        hasChangesChanged: BreezeCore.Event;
 
         constructor (config?: EntityManagerOptions);
         constructor (config?: string);
@@ -728,4 +728,4 @@ declare module Breeze {
         messageTemplate: string;
         message?: string;
     }
-}
+}