1.  Click on the Weblets tab, select Charting Weblets from the drop-down list near the top and locate the Google visualization pie chart weblet.
2.  Drag the Google visualization pie chart weblet over the designer and release the left-mouse button. A placeholder image will appear on the designer.
3.  Set the dataList property with the list name in your WEB_MAP.
4.  Set your chart title and legends as required