How do you add event listeners in mxml components. Now AS3 components? | Multimedia Interview Questions

=> addEventListener(type:String, listener:Function, useCapture:Boolean =false,
priority:int = 0, useWeakReference:Boolean = false):void
=> removeEventListener(type: String, listener:Function, useCapture:Boolean =false):void
=> dispatch Event(event : Event): Boolean
=> hasEventListener(type:String):Boolean
=> willTrigger(type:String):Boolean