"kukeltje" wrote : What you did now is extend the jbpm core in such a way that you have to manually change this each time a new jbpm core comes out. [..] What you can do is [..] runtime read the processdefinition from the database. It is a string then which can be converted to an xml document and custom attributes can be read. Or, alternatively, does anyone know if there's a way to define "MyTask extends org.jbpm.taskmgmt.def.Task", and then make jBPM use that custom class rather than the original? Arjan. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4032070#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...