Fields can be set as a required field as well as can be used as a filter option in most idea filters.
This displays all fields that appear on an idea (System and Custom) proving the ability to enable/disable or add a Custom Field. Certain fields cannot be disabled as per the PIP methodology.
To Add a Custom Idea Field, click on Add (Green Button Top right Corner) and specify the required details then Save.
You can access the field on the Idea Custom Fields section.