TYPES: BEGIN OF ty_log,
status TYPE icon-id,
END OF ty_log.
DATA gt_log TYPE TABLE OF ty_log.
gt_log = VALUE #( ( status = icon_red_light )
( status = icon_yellow_light )
( status = icon_green_light ) ).
TRY.
cl_salv_table=>factory( IMPORTING r_salv_table = DATA(alv_table)
CHANGING t_table = gt_log ).
alv_table->display( ).
CATCH cx_salv_msg.
ENDTRY.
icon_red, icon_yellow etc. will be automatically loaded from the TYPE-POOL: icon during runtime.
You can check all available icons via the table icon.
SELECT SINGLE id INTO @DATA(icon_red) FROM icon WHERE name = 'ICON_RED_LIGHT'.