INTERFACE {{p}}if_rope_check PUBLIC.
  TYPES ty_reason TYPE c LENGTH 10.
  TYPES ty_ticket TYPE c LENGTH 10.

  CONSTANTS:
    BEGIN OF c_reason,
      ok     TYPE ty_reason VALUE 'OK',
      empty  TYPE ty_reason VALUE 'EMPTY',
      ticket TYPE ty_reason VALUE 'TICKET',
      age    TYPE ty_reason VALUE 'AGE',
      hours  TYPE ty_reason VALUE 'HOURS',
      height TYPE ty_reason VALUE 'HEIGHT',
    END OF c_reason.

  CONSTANTS:
    BEGIN OF c_ticket,
      level_1 TYPE ty_ticket VALUE 'LEVEL_1',
      level_2 TYPE ty_ticket VALUE 'LEVEL_2',
      level_3 TYPE ty_ticket VALUE 'LEVEL_3',
    END OF c_ticket.

  METHODS check
    IMPORTING iv_ticket        TYPE ty_ticket
              iv_height_m      TYPE i
              iv_logged_hours  TYPE i
              iv_age           TYPE i
    RETURNING VALUE(rv_reason) TYPE ty_reason.
ENDINTERFACE.