DOUBT REGARDING LISTBOX IN MODULE POOL

ONE STRANGE DOUBT.

PLEASE TELL ME THE SOLUTION.

I HAVE CREATED LIFNR ONE FIELD AS A LIST BOX IN MODULE POOL AND UNDER FLOW LOGIC I HAVE CALL

THE POV EVENT AND UNDER THAT FIELD STATEMENT WITH ONE MODULE AND IN THIS MODULE

CALL THE FUNCTION F4IF_INT_TAB_VALUE_REQUEST.

AND PASS THE RESPECTIVE ATTRIBUTES OF THE FUNCTION MODULE.

BUT AFTER THIS I MADE ANOTHER FIELD EBELN IN THE MODULE POOL AND LAYOUT EDITOR JUST DONE THE FIELD PARAMETER AS LISTBOX.

AND NO CODING HAS DONE FOR IT ,THEN ALSO ITS GETTING RIGHT VALUES DURING OUTPUT.