element.addAttribute("jid", workgroup.getJID().toBareJID());
// Add custom extension that includes the sessionID
element = invitation.addChildElement("session", "http://jivesoftware.com/protocol/workgroup");
element.addAttribute("id", sessionID);
RoomInterceptorManager interceptorManager = RoomInterceptorManager.getInstance();
interceptorManager.invokeInterceptors(workgroup.getJID().toBareJID(), invitation, false, false);
workgroup.send(invitation);
interceptorManager.invokeInterceptors(workgroup.getJID().toBareJID(), invitation, false, true);
}
/**