package
{
    import flash.display.Sprite;
    import flash.events.Event;

    public class MainClass
    {
        public static function Main():void
        {
            var sprite:Sprite = new Sprite();
            sprite.addEventListener("myEvent",
                function(e:Event) : void
                {
                    trace("myEvent");
                    step1();
                });
            sprite.dispatchEvent( new Event("myEvent", true ) );

            function step1():void {
                trace("step1");
                step2();
            }
            function step2():void {
                trace("step2");
            }
        }
    }
}

[trace] myEvent
[trace] step1
[trace] step2

    private function requestContext3D(stage3D:Stage3D, renderMode:String, profile:Object):void