import mx.events.CollectionEvent;
import mx.messaging.messages.AsyncMessage;
import mx.messaging.events.MessageEvent;
import mx.collections.ArrayCollection;
[Bindable]
private var acSales:ArrayCollection = new ArrayCollection(
[{name:"A", sales:5.00},
{name:"B", sales:8.00},
{name:"C", sales:2.00}]);
private function formatLabel(data:Object, field:String, index:Number, percentValue:Number):String
{
return data.name + "\n" + cf.format(data.sales) + "\n(" + nf.format(percentValue) + "%)";
}
labelPosition="callout" labelFunction="formatLabel"
fontSize="12" fontWeight="bold"/>