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Pie custom Label

<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">   <mx:Script>            private function getWedgeLabel(item:Object, field:String,index:Number, percentValue:Number):String       {         return item.fruit + ": $" + nf.format(item.sales) + " (" + nf.format(percentValue) + "%)";       }      </mx:Script>      <mx:NumberFormatter id="nf" precision="0" rounding="nearest"/>   <mx:Model id="pieModel">     <data>         <row>           <fruit>A</fruit>           <sales>1</sales>         </row>         <row>           <fruit>B</fruit>           <sales>4</sales>         </row>         <row>           <fruit>C</fruit>           <sales>6</sales>         </row>     </data>   </mx:Model>     <mx:ArrayCollection id="pieData" source="{pieModel.row}"/>   <mx:PieChart dataProvider="{pieData}" height="100%" width="100%">     <mx:series>       <mx:PieSeries field="sales" labelFunction="getWedgeLabel" labelPosition="callout" explodeRadius=".01"/>     </mx:series>   </mx:PieChart>   </mx:Application>