This javascript will be re-evaluated any time the corresponding datasource is updated, and the value you return will be displayed in the widget. You have access to the following:

1. The this keyword which has the following properties-

The purpose of the parsing function is to create the data in a format expected by the widget. Therefore, the body of the parsing function should be solely concerned with creating the data structure expected by the widget.

The last line in a parsing function should return the data to display in the widget (in the format expected by the parser).