А так:
Код AS3:
<mx:Script>
<![CDATA[
private var _labelText:String;
override public function set data(value:Object):void
{
_labelText = value.name;
}
override protected function childrenCreated():void
{
myLabel.text = _labelText;
super.childrenCreated();
}
]]>
<mx:Script>
<mx:Label id="myLabel"/>