@Nib: 1: e.g. to do some checking initially. If the variable has never been assigned any value (java object) it is typeless 2: do do some form generation (it will be stored in the gpd.xml now, but I (personally) are in favour of putting it in the jpdl file, just like the readonly, write, required 3: ... @sumit: you can't, not in a simple way (one solution is to write an actionhandler to define and create them in one way or another whe the process starts) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4003128#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...