data provider can contain objects with multiple fields
<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:ComboBox> <mx:ArrayCollection> <mx:Object label="A" data="aa" /> <mx:Object label="B" data="bb" /> <mx:Object label="C" data="cc" /> </mx:ArrayCollection> </mx:ComboBox> </mx:Application>