code: public function newAction()
      {
          $group = new Group();
          $form = $this->createForm(GroupType::class, $group);
  
          return array(
              'group' => $group,
              'form' => $form->createView()
          );
      }
docs: Displays a form to create a new Group entity.
  
  @Route("/new", name="orkestra_group_new")
  @Template()
  @Secure(roles="ROLE_GROUP_WRITE")