AS/400 Function Keys

Does anybody knows any API which will retrieve all function keys and subfile records of Display file in AS/400?

Is there any API to retrieve all Function Keys used on a Display File? Is there any API to retrieve all subfile records from a Displyfile too?

Function Keys - all used up

Hi, I have 1 inquiry functions where all the functions keys (F1 to F24) were already used up. Now, I have an enhancement request to add new inquiry to this existing function. What do I need to do? I was thinking of building a pulldown menu in this inquiry function. Is this the correct...