FUNCTION {{p}}kart_sample
  IMPORTING
    iv_laps TYPE i
    iv_driver_age TYPE i
    iv_member TYPE abap_bool
  EXPORTING
    ev_discount TYPE abap_bool
  CHANGING
    cv_fee TYPE decfloat34
  EXCEPTIONS
    invalid_laps.

  ev_discount = abap_false.
  cv_fee = 0.

ENDFUNCTION.