Dear Expert...
I need to use the BAPI_ACC_BILLING_REV_POST, to reverse the billing posting..
but there's one parameter that i can't understand how to fill it. The parameter is : REVERSAL-OBJ_KEY_R
this field is required but i have no idea what value to fill it in..
it says that : OBJ_KEY_R >> Reference number of the document to be reversed.
what should i fill it in ? what reference number ? where could i get this reference ?
thanks for your answer..
sasmito