put timer tag inside you task tag which is child node of task-node | <task-node name="take some action"> | <task name="task1"> | <timer name="send mail" duedate="20 seconds" repeat="10 seconds"> | <mail template="task-assign"> | </timer> | </task> | </task-node> | | Yes we can add this in xml file only. GPD doesnotr provide user inteface for configuration. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4230776#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...