F4 programming

Dear All,

I am trying to give the list of numbers as the F4 option. But nothing is displaying for me. Please check my code and let me know the problem. Helpful answers will be appreciated.

AT SELECTION-SCREEN ON VALUE-REQUEST FOR debtact.

DATA : BEGIN OF values OCCURS 0,

debtacnt(13).

DATA : END OF values.

DO 5 TIMES.

values-debtacnt = '1234567891011'.

APPEND values.

ENDDO.

CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'

EXPORTING

• DDIC_STRUCTURE = ' '

retfield = 'DEBTACNT'

• PVALKEY = ' '

dynpprog = sy-repid

dynpnr = sy-dynnr

dynprofield = 'DEBTACT'

• STEPL = 0

• window_title = 'Debit Account'

• VALUE = ' '

value_org = 'S'

• MULTIPLE_CHOICE = ' '

• DISPLAY = ' '

• CALLBACK_PROGRAM = ' '

• CALLBACK_FORM = ' '

TABLES

value_tab = values

• FIELD_TAB =

• RETURN_TAB =

• DYNPFLD_MAPPING =

• EXCEPTIONS

• PARAMETER_ERROR = 1

• NO_VALUES_FOUND = 2

• OTHERS = 3

.