Thank you ! Now i success to send a parameter to pooledTask.assign, like this anonymous wrote : <s:button action="#{pooledTask.assign(peopleSearch.selecteduserid)}" value="Assign" taskInstance="#{task}"/> Also , i have to set faces-config.xml: anonymous wrote : | | <view-handler>org.jboss.seam.ui.facelet.SeamFaceletViewHandler</view-handler> | | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4062235#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...