It can be saved by jBPM if it is serializable. Other options will be worked out in future releases of jBPM. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4269107#4269107 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4269107