170 FMA1 (fmal) - FMA1 ! Sort par article/client/numero

A1_N_ART C(16)                1,16      !
  tbos=A                                !
  key=Y                                 !
  fr=numéro_article                     !
  nl=artikel_nummer                     !
A1_N_CLI C(3)                 17,3      !
  tbos=P                                !
  key=Y                                 !
  fr=numéro_client                      !
  nl=klant_nummer                       !
A1_N_CDE C(3)                 20,3      !
  tbos=P                                !
  sgn=+                                 !
  key=Y                                 !
  fr=numéro_contrat                     !
  nl=contractnummer                     !