[ https://issues.jboss.org/browse/RF-12280?page=com.atlassian.jira.plugin.s... ] Mohammad Weshah edited comment on RF-12280 at 3/11/14 10:15 AM: ---------------------------------------------------------------- Hello All, if you need to know the state of panel expanded or collapsed to be send to backing bean , you can send it as parameter to a method by rich:findComponent('panelId').expanded . or use public void panelAction(AjaxBehaviorEvent ajaxEvent){ ((UICollapsiblePanel)ajaxEvent.getComponent()).isExpanded(); } <a4j:ajax event="switch" limitRender="true" listener="#manageImpoundDocumentBacking.panelAction}" /> Regards Wish79 was (Author: wish79): Hello All, if you need to know the state of panel expanded or collapsed to be send to backing bean , you can send it as parameter to a method by rich:findComponent('panelId').expanded . Regards Wish79 -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira