RFC to transfer of Shopping cart in SRM to Purchase order in R/3

Hi all.

I am searching the concrete RFC where the data transfer from a shopping cart in SRM to a Purchase order in R/3 is done. The transfer of data is correctly done between both systems. Theoretically, this RFC is BAPI_PO_CREATE1 and the BADI to map custom fields is BBP_CREATE_BE_PO_NEW. However, when I put some code in an implementation of this BADI, it doesn't work. Can anybody tell me any other alternative to transfer SC to PO? Is there any other RFC to do this? Is there any other alternative method?

Thanks in advance.