You can choose to receive or pass parameters for fields configured as dropdowns, listboxes and radio buttons.

With Advanced Options enabled, go to the Advanced Tab for a dropdown, listbox or radio button form element in of the DataPage wizard.

To receive a parameter in a field, enable the On load option by checking Receive value or parameter. You can choose to receive External Parameters, Authenticated Fields, Connection Fields, Data Source fields (available on Details page), or App Parameters. Enter the same parameter name that is being passed.

Parameters_in_dropdowns

To pass a parameter, enable the On exit option by checking Pass field value as parameter and enter the parameter value.