1. Click on the Weblets tab, select Charting Weblets from the drop-down list near the top and locate the Google Pie Chart weblet.
2. Drag the Google Pie Chart weblet over the designer and release the left-mouse button. A placeholder image will appear on the designer.
3. Set the listName property with the list name in your WEB_MAP.
4. Use the transpose property if you want to transpose rows and column
5. Set your chart title, labels and legends as required.