      */
     static public function addSender(sender:ITrackingSender):void
     {
-        senderList.add(sender);
+        senderList.push(sender);
     }
 
     /**

     */
    static public function removeSender(sender:ITrackingSender):void
    {
        senderList.remove(sender);
    }
}
}
     */
    static public function action(action:String, ... rest):void
    {
        for each (var sender:ITrackingSender in senderList)
        {
            sender.externalTrack(action, rest);
        }
