Getting supplier-id from a web-application (WebDynpro-Application)

Hi all together,
I have the following problem:
After starting the web-application (WebDynpro on WAS6.40) I need to get the supplier-id (R/3 supplier-id). Our application is integrated in a portal and has a connection to a R/3.
How can I get this information?
Thanks for helping me.
Regards
Thomas

Hi Hendrikx,
This is a new development and no part of the ESS/MSS. We develop a supplier application where suppliers of a company can log in and work on tasks. Each supplier has only to see his own tasks and not those of other suppliers. Because of that, we need to get the supplier-id of R/3 (MM).
Possible steps are RFC calls to R/3 or via Browser-Session. But we don't know how to do this.
Could you help us?
Regards,
Thomas

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