anonymous wrote : Can someone confirm this please ? Confirmed anonymous wrote : Is that correct ? Yes anonymous wrote : The thing is that in the functional problem i'm dealing with i want to set at design time the variables that will be used by every instance, so I do not want to create variables for each instance. This is exactly what you can do with actionhandlers. You can put a value in one of the params passed to the actionhandler and set the variable designtime. AFAIK, an example has been posted to the forum before and maybe even the wiki View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4109919#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...