MM_SUS Contact person

Dear All,

I am working on MM-SUS scenrio, SRM 7.02

The supplier are replicated to SUS system from MM system.

1. How can i create a contact person for the suplier?

2. how can i create a user id for the contact person for the supplier linked?

3. Already i create a user in SU01 in SUS system, how can i link the contact person of supplier with this user id??

Kindly clarify my doubts its urgent.

thanks in advance