You can define a user-defined method that instructs a form to fetch details from a file:
MTHROUTINE Name(GetInfo) Help('This method gets the details of the employee.')
FETCH Fields(#detflds) From_File(pslmst) With_Key(#empno)
An owner form can now instruct the form to perform this action by invoking the method:
For an example of how to pass values to a method routine, see 7.33.3 DEFINE_MAP in MTHROUTINE.