JPOS Sequence Diagram or Class diagram

[Kapil]

I went through the JPOS code for some payment system requirements.
If any one has already used it and having any diagram ( Class or
Sequence diagram) please provide me.
You help will be really appreciated.
Actually I wanan show exact flow in my organization so that they can
come up with an proposal for JPOS team to get this product

Thanks

Kapil Agarwal