How to show or hide Assignment Extensible flexfield for a department using Autocomplete rule?

Summary:

We have created 'Institutional sales territory EFF' and 'Sales territory EFF'. We want to show 'Institutional sales territory EFF' only when the worker belongs to Department: "CEM_1387" . We want to show 'Sales territory EFF' for all other departments.

Content (required):

We want to control the visibility of the EFF based on the department value of worker.

Version (include the version you are using, if applicable):

23B

Code Snippet (add any code snippets that support your topic, if applicable):