How to use SFSF adapter in PO

Hi Folks,

    Could anyone please clarify my below concerns on SFSF adapter.

1. Why SFSF adapter build in PO? and How to use this?(One exampled requirement may helpful)

2. What are the things required to install SFSF adapter in PO 7.4?

If any one already worked in this, Please share the exact work flow of this adapter.

Thanks in advance.

Best Regards,

Dileep K