Request response data communication with HTTPService
<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" initialize="initializeHandler(event)"> <mx:Script> private function initializeHandler(event:Event):void { countriesService.send( ); } </mx:Script> <mx:HTTPService id="countriesService" url="http://server.com/countries.xml" /> <mx:VBox> <mx:ComboBox id="country" dataProvider="{countriesService.lastResult.countries.country}" /> </mx:VBox> </mx:Application>