It is in the user guide, section 11.3 Also, look at the test cases in the jBPM source code (TaskAssignmentTest). View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3961278#3961278 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3961278