[FlashRabbit]

package
{
	import flash.events.Event;	
 
	public class CustomEvent extends Event
	{
		private var _total:int;
		public static const CHANGE:String = "Custom.change";
 
		public function CustomEvent(type:String, _total:int, bubbles:Boolean = false, cancelable:Boolean = false)
		{
			super(type, bubbles, cancelable);
                        _total = _total;
		}
 
 
		public function get total():int
		{
			return _total;
		}
	}
}

addEventListener(CustomEvent.CHANGE, onChange);
function onChange(e:CustomEvent):void
{
       trace(e.total);
}