"kukeltje" wrote : correct... not all params can be EL. The duedate e.g. can't. File a jira issue for this....or better, look in the source of jbpm to see how to achieve this (it is realy easy) I appreciate your answer, but also find it somewhat weird : if you know the answer, and if it is indeed real easy, why don't you post it here so that it is shared with everyone ? This forum is not a game. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4088027#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...