, , :
1: "".
2: PBO:
LOOP AT SCREEN.
IF screen-name cs 'name-of-your-select-options-or-parameter'.
screen-required = 2.
MODIFY SCREEN.
ENDIF.
3: PAI:
if sscrfields-ucomm = 'ONLI'.
if 'name of your select-option-or-parameter' is initial.
clear sscrfields.
message 'Fill in all required fields.'(009) type 'E'.
endif.
endif.
, if 'cs'. , . % _P_MATNR_% SCREEN %% ( p_matnr).
, : TABLES sscrfields..