<?xml version="1.0" encoding="utf-8"?>
<mx:WindowedApplication 
    xmlns:mx="http://www.adobe.com/2006/mxml" 
    layout="vertical" 
    xmlns:merapi="merapi.*">
    
    <mx:Script>
        <![CDATA[
            import merapi.messages.Message;
        ]]>
    </mx:Script>
    
    <merapi:BridgeInstance id="bridge" />
    
    <mx:TextInput id="textinput" width="300"
        change="{ bridge.sendMessage( new Message( 'echo', '', 
                                            textinput.text ) ) }" />
    
    <mx:Label id="lbl" text="{ bridge.lastMessageData }" />
    
</mx:WindowedApplication>