how to navigate to Assignment Category (displayed on the position page) setup

Summary:

Dear, any idea of how to navigate to Assignment Category (displayed on the position page) setup; as they are two one on assignment page and other one on position page. Thanks

Content (required):

Dear, any idea of how to navigate to Assignment Category setup (displayed on the position page); as they are two one on assignment page and other one on position page.

in Setup and maintenance ->Manage Common Lookups we find only 'EMP_CAT' for Assignment Category on assignment page.

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

21C

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