how to handle custom field using BAPI_PO_Create1

i used to bapi_po_create1 to upload purchase order. in purchase order one custom field in item level warranty.

in CI_EKOPODB . I was send custom data in bapi using EXTENSIONN. BUT I GOT

ERROR PLEASE ENTER VALUE IN WARRANTY AND

Error transferring ExtensionIn data for enhancement CI_EKPODB.

IN A FORUM I GOT ANSWER TO IMPLEMENT BADI ME_BAPI_PO_CUST. BUT I AM NOT KNOW HOW TO IMPLEMENT IT PLEASE GUIDE ME.

PRANESH

Edited by: Praneshom on Mar 31, 2011 11:26 AM

Edited by: Praneshom on Mar 31, 2011 11:28 AM

Moderator message: please do not post in all upper case.

Edited by: Thomas Zloch on Mar 31, 2011 11:48 AM