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Write: 'Hello world'.

  CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY_LVC'
    EXPORTING
      i_callback_program = sy-repid
      is_layout_lvc      = ls_layout
      it_fieldcat_lvc    = lt_fieldcat
*     i_callback_pf_status_set = 'FRM_PF_STATUS'
*     i_callback_user_command  = 'FRM_USER_COMMAND'
      i_default          = 'X'
      i_save             = 'A'
*     i_grid_settings    = ls_glay
*     is_variant         = ls_variant
    TABLES
      t_outtab           = gt_list
    EXCEPTIONS
      program_error      = 1
      OTHERS             = 2.

  IF sy-subrc <> 0.
    MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
    WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
  ENDIF.