This example gets the current value of the TITLE attribute of a frame. The call object's CALL-TYPE attribute is set to GET-ATTR-CALL-TYPE. The value of the TITLE attribute is returned through the call object's RETURN-VALUE attribute, as shown:

/* Get title of frame */

ASSIGN
  hCall:IN-HANDLE = myframe_handle
  hCaLL:CALL-TYPE = GET-ATTR-CALL-TYPE
  hCall:CALL-NAME = "TITLE".

hCall:INVOKE( ).
Mytitle = hCall:RETURN-VALUE.