thank you ronald. but I am use the app of example (http://localhost:8080/jbpm) how can I modify it to check this?? what class or page .jsp?? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4016300#4016300 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4016300