[SD] How to comparing Partners address at creating Order

User Exit: MV45AFZB

IF ( VBAK-VKORG = '1000' OR
     VBAK-VKORG = '2000'    ) AND
   ( SY-TCODE   = 'VA01' OR
     SY-TCODE   = 'VA02'    ) AND
     VBAK-VBTYP = 'C'         AND                  " SD Order
     VBAK-VGTYP = 'G'.                             " Reference to Contract
  READ TABLE XVBPA  WITH KEY PARVW = 'WE'.         " WE: Ship-to party
  READ TABLE XVBADR WITH KEY ADRNR =  XVBPA-ADRNR.
  IF XVBPA-UPDKZ  =  'U' OR                        " U: New Ship-to
     XVBADR-UPDKZ NE ''.                           " Data Modified (U) or Added (I)
    AUTHORITY-CHECK OBJECT 'Z_ADRNR_WE'            " Customized Authorization object -
             ID 'DUMMY' FIELD '*'.                 "   Adding by SU21
    IF SY-SUBRC > 0.
      MESSAGE E499(SY) WITH SY-UNAME 'No authorization!'.
    ENDIF.
  ENDIF.
ENDIF.