Yes. The ui example! Favourite Colours is a ManyToMany relationship with a selectManyListbox (in 1.2.1.GA) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4032805#4032805 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4032805