Dear drools experts Can I get some ideas on how best to do the following. I would like users of my app to be able to write their own rule(s). For example, if Joe User buys an item that is more that $200 then he uses XYZ shipping. If he does not select shipping the he uses ABC shipping. More precisely, how can I offer the ability, using Guvnor, for the end user to write a rule, that does not give him the ability to modify a rule condition regaring user id. The example above, of coures, has a condition that if user is 'Joe User'. There are very many places in the app where users should be able to write rules, so it would be nice to use (embed) guvnor, rather than writing a special UI for each situation. Any suggestions welcome. Br Anton -- View this message in context: http://drools.46999.n3.nabble.com/help-with-designing-implementing-a-way-... Sent from the Drools: User forum mailing list archive at Nabble.com.