Hello, The jBPM says a little on how to use another script language in a Script activity. It seems you have to add something like this, as child element of the script-manager XML element in the jbpm.cfg.cml file: <script-language name="..." factory="..."/> for the language you want. How can I define Groovy? And what interface the class defined in factory attribute is supposed to support? Thank you, Bertrand. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4267360#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...