All, I asked this question earlier this week, but didn't get a response. I may have provided too much information, so let me distill it down to this simple question.... Can DSL/DSLR files be loaded and accessed as part of a KnowledgeBase constructed using the KnowledgeAgent / changeset model in Drools 5.0.1 My test code, attached to my earlier post, suggests this does not work. Macon