Still having the same problem : First rule : ----------- | package tom | import java.util.Date; | | expander TctMyDSL.dsl | | rule "TctMyRule" | | when | now : Date() | then | Afficher "TctMyRulethen" | end | -> It works Second rule : ----------- | package tom | | expander TctMyDSL.dsl | | rule "TctMyRuledeux" | | when | s : String() | | then | Afficher "TctMyRulethendeux" | end | -> unable to expand Afficher "TctMyRulethendeux" Any help, please ? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4226828#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...