CVI - Conversion BP in S4HANA

[gianmaria_bonvini_eng]

Hi all,

i've this doubt related to conversion BP:

In ECC i have: Customer ID 102345 and Vendor ID 98564 that are the same entity.

https://blogs.sap.com/2020/08/31/sap-s-4hana-business-partner-conversion-merge-customer-and-vendor-i...

"You have to implement your own Enhancement Implementation of BAdI CVI_CUSTOM_MAPPER. With SAP note

2363892 – Linking Customer and Vendor to a single Business Partner during initial load before upgrad...

an example Implementation CVI_MAP_LEGAL_ENTITY is available at methods

IF_EX_CVI_CUSTOM_MAPPER~MAP_CUSTOMER_TO_BP
IF_EX_CVI_CUSTOM_MAPPER~MAP_VENDOR_TO_BP

This delivered implementation is a POC only, because following data has to be 100% equal:

1. Customer/Vendor has to be linked via LFA1-KUNNR and KNA1-LIFNR as foundation
2. Address data

I’ve never seen a system where address data of Customer and Vendor are the same. That’s why you have to create your own matching criteria in your own implementation. You can use standard implementations as template and do your own adjustments. Pay attention to inline documentation at each step. This will help you to decide which steps to take over.
Foundation is the assignment of Customer/Vendor with fields KNA1-LIFNR and LFA1-KUNNR. Sometimes it is enough to just use these assignment to merge Customer and Vendor to one Business Partner."

If i understand in my case what happend:

Business Partner ID --> 54612 (NEW NUMER)

Link to Vendor ID --> 98564

Link to Customer ID --> 102345

When i'm going to insert a new sales order can i type in the field "sold to" Business Partner ID (54612) and system automatically detect customer id 102345?