Popup List Values Filter by Selected Category
A complete solution for creating Categories with related popups and list values, as well as managing multi-dimensional popup list data.
Download and import this library import file to install this complete popup list entry solution and example Jobs form.
Once installed, add the initial Reference record with ID 1 and Name Reference. Add this record before starting the data entry. Then entry your Category names, the database popup field names and the related popup list items as shown.

The included Jobs form was created using the data shown in these examples.

Modify the field names and List Metascript to meet your needs.