INTERFACE {{p}}if_ride_booking PUBLIC.
  TYPES ty_discipline TYPE c LENGTH 4.
  TYPES ty_level      TYPE c LENGTH 1.
  TYPES ty_reason     TYPE {{p}}cx_ride_booking=>ty_reason.
  TYPES ty_amount     TYPE p LENGTH 8 DECIMALS 2.

  CONSTANTS:
    BEGIN OF c_discipline,
      dressage TYPE ty_discipline VALUE 'DRES',
      jumping  TYPE ty_discipline VALUE 'SHOW',
      western  TYPE ty_discipline VALUE 'WEST',
      vaulting TYPE ty_discipline VALUE 'VOLT',
    END OF c_discipline.

  CONSTANTS:
    BEGIN OF c_level,
      basic    TYPE ty_level VALUE 'B',
      light    TYPE ty_level VALUE 'L',
      medium   TYPE ty_level VALUE 'M',
      advanced TYPE ty_level VALUE 'S',
    END OF c_level.

  CONSTANTS:
    BEGIN OF c_reason,
      name       TYPE ty_reason VALUE 'NAME',
      discipline TYPE ty_reason VALUE 'DISCIPLINE',
      level      TYPE ty_reason VALUE 'LEVEL',
      minutes    TYPE ty_reason VALUE 'MINUTES',
      riders     TYPE ty_reason VALUE 'RIDERS',
      show_level TYPE ty_reason VALUE 'SHOW_LEVEL',
      volt_group TYPE ty_reason VALUE 'VOLT_GROUP',
    END OF c_reason.

  METHODS book
    IMPORTING iv_rider_name TYPE string
              iv_discipline TYPE ty_discipline
              iv_level      TYPE ty_level
              iv_minutes    TYPE i
              iv_riders     TYPE i
    RETURNING VALUE(rv_price) TYPE ty_amount
    RAISING   {{p}}cx_ride_input
              {{p}}cx_ride_limit.
ENDINTERFACE.