You should be able to right-click the table, select Report Linking and then associate an appropriate data item in the table with the prompt in the stored process. There are some restrictions. See the following topic in the SAS Web Report Studio User's Guide:
http://support.sas.com/documentation/cdl/en/citug/65926/HTML/default/viewer.htm#p0gvblzucvsrpzn1378akaoyxn24.htm
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