Hotspot su alvgrid

Per creare l'evento hotspot su un campo di una alvgrid è necessario implementare la form user_command nel seguente modo:

FORM user_command USING r_ucomm LIKE sy-ucomm
rs_selfield TYPE slis_selfield.


CASE r_ucomm.
WHEN '&IC1'.

IF rs_selfield-fieldname = 'ZDOC_CONT'.
*
IF rs_selfield-value IS NOT INITIAL.
*
IF rs_selfield-value IS NOT INITIAL.
READ TABLE tb_ricavi INDEX rs_selfield-tabindex
INTO wa_ricavi.
IF sy-subrc = 0.
SET PARAMETER ID 'BLN' FIELD rs_selfield-value.
SET PARAMETER ID 'BUK' FIELD wa_ricavi-bukrs.
SET PARAMETER ID 'GJR' FIELD wa_ricavi-gjahr.
CALL TRANSACTION 'FB03' AND SKIP FIRST SCREEN .
ENDIF.
ENDIF.
*
ENDIF.
ENDIF.
ENDCASE.
ENDFORM. " USER_COMMAND