private var hash:Dictionary = new Dictionary() 

....

var sameObject:same .... 

var thumbs:InteractiveObject = sameObject as InteractiveObject

thumbs.addEventListener(sameEvent,this.sameFunction)

hash[thumbs] = "sameData"

....

private function sameFunction(event:Event):void{

    var target:InteractiveObject = event.target as InteractiveObject

    trace(hash[target]) // sameData

 

{