Model.as

package feathers.examples.mxml.data {
	import flash.events.EventDispatcher;

	[Bindable]
	public class Model extends EventDispatcher {
		
		public var label:String = "Some Value";
		public var width:Number = 100; 
		public var height:Number = 20; 
		public function Model() {
			super();
		}
	}
}

SampleButton.mxml

<feathers:Button xmlns:fx="http://ns.adobe.com/mxml/2009" 
				 xmlns:feathers="feathers.controls.*" 
				 xmlns:data="feathers.examples.mxml.data.*"
				 label="{model.label}" 
				 width="{model.width}"
				 height="{model.height}"
				 touch="onTouch(event)"  >
	<fx:Script>
		<![CDATA[
			import starling.events.Touch;
			import starling.events.TouchEvent;
			import starling.events.TouchPhase;
			
			protected function onTouch(event:starling.events.TouchEvent):void {
				var touch:Touch = event.getTouch(this, TouchPhase.BEGAN)
					if(touch){
						model.label = "Other Value";
						dispatchEventWith("bubbleEvent", true ,"someData");
					}
			}
			
		]]>
	</fx:Script>
	<fx:Declarations>
		<data:Model id="model" />
	</fx:Declarations>
</feathers:Button>
	

SimplePanel.mxml

<feathers:Panel xmlns:fx="http://ns.adobe.com/mxml/2009" 
				 xmlns:feathers="feathers.controls.*"
				 xmlns:screens="feathers.examples.mxml.screens.*" addedToStage="{button.model.label = 'XXXXX'}">
	<screens:SampleButton id="button">
		
	</screens:SampleButton>
</feathers:Panel>