1. Click on the Weblets tab, select Charting Weblets from the drop-down list near the top and locate the Google visualization line chart weblet.
2. Drag the Google visualization line 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
Data policy: Line chart data is processed locally. It is not sent to Google.