How do we limit the selection in Run Time Prompt of any Dimension in HFR?

Summary:

I have created a Report & want to select Entity in RTP. But I want to limit only few entities to get selected by the users.

Could you please suggest the limited selection which we want to show to users.

Content (please ensure you mask any confidential information):

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

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