diff --git a/00-custom-app/CustomApp.as b/00-custom-app/CustomApp.as
index 72e26ae..cd326d1 100644
--- a/00-custom-app/CustomApp.as
+++ b/00-custom-app/CustomApp.as
@@ -1,9 +1,9 @@
 package
 {
     import mx.core.Application;
+    import mx.controls.Alert;
     import flash.events.MouseEvent;
 
-
     public class CustomApp extends Application
     {
 
@@ -13,7 +13,9 @@ package
 
         public function butterCup(event:MouseEvent):void
         {
-            trace("clicked " + event);
+            var msg:String = "clicked" + event;
+            trace(msg);
+            Alert.show(msg);
         }
 
     }