Request for Step by step procedure to create SRM User in detail

Hi All,

Could you please provide Step by step procedure to create SRM User in detail.

I have completed the following:

1. I created SU01 User.

2. I created Root Organistaion with PPOCA_BBP.

3. I went into PPOMA_BBP Tr. code and added Organisation structure like Root Organisation -> Organisation for Company Code -> Organisation for Pur Org -> Organisation fro Pur Group -> Position.

4. I got struck at assigning BusinessPartner for each organisation and creating Cntral Person

Plase provide further steps to copmplete SRM USer creation.

Thanks in advance,

Regards,

Siva