FOS\UserBundle\Controller\GroupController::createAction PHP Method

    public function createAction()
    {
        $form = $this->container->get('fos_user.form.group');
        $process = $form->process();
        if ($process) {
            $this->container->get('session')->setFlash('fos_user_group_update', 'success');
            $parameters = array('groupname' => $form->getData('group')->getName());
            $url = $this->container->get('router')->generate('fos_user_group_show', $parameters);
            return new RedirectResponse($url);
        }
        return $this->container->get('templating')->renderResponse('FOSUserBundle:Group:new.html.' . $this->getEngine(), array('form' => $form));
    }