Get BUPA from connection object in CRM

Hello Experts,

We are working on CRM-ISU implementation project. There is a requirement in which we need to find BUPA from Conn_obj.

Could you please help me to find business partner number from connection object (TPLNR)? I have tried to run several BOL queries to do the same but did not get required answer.

Also, BP information is not there in table ISU_CONNOBJ.

Please do the needful

Thanks in advance,

Prashant Jagdale