Adobe Flash HELP!! please?

[Kimi]

I need to convert this code (below) from actionscript 2, into actionscript 3.... PLEASE HELP!

var loader:URLLoader = new URLLoader(new URLRequest("my_text_file.txt"));
loader.addEventListener(Event.COMPLETE, completeHandler);

function completeHandler(event:Event):void {
var loadedText:URLLoader = URLLoader(event.target);
myText_txt.text = loadedText.data;
}