anonymous wrote : where the usual use case is setInput(Class attachmentsClass). That would be adding a requirement on a Class and not a string, isn't it? Looking at the API available, i think there's no way to have a deployer that requires just a single String key and expect the deployer to be invoked only when the string key is available as attachment. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4236319#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...