Integrating BW web template

Hi All ,

I have a requirement to integrate BW WebTemplate in portal .. The requirement is that i have a page in portal and in that page i have some selection parameters and BW report , when ever use selects the selection parameters the selected parameters need to be passed to the BW Webtemplate so that the report will diaplay data accordingly .. I am planning to implement the selection parameters using webdynpro .. How do i pass selected parameters to the BW webtemplate ..

Please provide some sample code if possible..

Regards,

Ravi.