Hi,
I never used Partner update badi i have done using
Using BAPI
lv_partner = wa_but000-partner.
central_data-authorizationgroup = lv_augrp.
central_data_x-authorizationgroup = 'X'.
CALL FUNCTION 'BAPI_BUPA_CENTRAL_CHANGE'
EXPORTING
businesspartner = lv_partner
centraldata = central_data
centraldata_x = central_data_x
TABLES
return = it_return.
Regards,
Sumeet