Gauge properties - Data source tab
If the Gauge control is on a view page in a data group, a data field can be selected here that provides data to be displayed. However, this is not possible on top-level view pages.
A static value can be entered here.
A formula can be defined here.
Opens the formula editor.
A system value can be used as the data source here. Three options are available here:
Enter the name of the parameter here.
If the system value does not return a value, the value entered here is used.