Find out the parent of a tween

Hi, i’m having trouble trying to get the parent object (target movieclip) of a tween.

example:


myTween.addEventListener(TweenEvent.MOTION_FINISH, doStuff);

function doStuff(e:TweenEvent):void {
 var mc = e.target;
 mc.doSomething();
}

What am I overlooking?