[ABAP] 화면상단에 FUNCTION KEY 생성하기

TABLES : SSCRFIELDS.
*----------------------------------------------------------------------*
* INITIALIZATION
*----------------------------------------------------------------------*
INITIALIZATION.
SELECTION-SCREEN FUNCTION KEY 1.  "최대 5개까지
"아이콘은 ICON 테이블 참조
CONCATENATE icon_import '레이아웃 다운' INTO sscrfields-functxt_01. 

*----------------------------------------------------------------------*
* AT SELECTION-SCREEN
*----------------------------------------------------------------------*
AT SELECTION-SCREEN.
  CASE sscrfields-ucomm.
    WHEN 'FC01'.
      PERFORM get_layout.
  ENDCASE.