FUNCTION {{p}}tel_sample
  IMPORTING
    iv_ctype TYPE string
    iv_zone TYPE string
    iv_secs TYPE i
  EXPORTING
    ev_minutes TYPE i
    ev_charge TYPE decfloat34
  EXCEPTIONS
    invalid_duration.

  " Sample module: it shows the interface of all rating modules.
  ev_minutes = 0.
  ev_charge = 0.

ENDFUNCTION.