"kukeltje" wrote : by passing on a version number? Otherwise look at how the webapp/servlet does it. Passing a version number ? The deploy method of GraphSession already increments the version number. You can't change a process definition in the webapp, can't you ? You deploy a process defintion in a par file. What I want : modify a process definition and deploy it as a new version of the existing one trough the API. Matthieu View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3987891#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...