This has been renamed to Report Parameter in version 6.10.0.
With a drop down the end user can filter a report on a specific parameter of the dataset.
A drop down can be used for a dataset parameter of any type except DateTime. DataTime parameters can be filtered by a date range selector.
If the type of the dataset parameter is object, this property indicates which attribute of the corresponding entity is shown in the drop down.
Refers to the dataset parameter of which the value is restricted by this drop down.
Name, Class, Style
See Widget Properties.