BAPI to park Debit Note (Vendor credit memo) Doc Type: 'KG'

Hi All,

A friend of mine desperately needs to know any BAPI for parking Debit Note (Doc.type : KG Vendor credit memo)... Please let me know if you know about any BAPI / Funcation module to do it and a little chunk of sample code will surely help me a lot....

Thanks in Advance,

Regards,