Example 1: Deletion of trigger elements

If a parameter is used as a trigger in one or more visibility/mandatoriness rules, it cannot be deleted. Should you need to delete the parameter, you must first delete the rule (or change the rule's trigger to a different parameter).

Starting with a configuration in which a visibility/mandatory rule exists for the Person parameter:

The Delete button is inactive. Click the Rules link for more information.

Get information on the deletion restrictions for Person and solve the situation accordingly.