getGroupDetailQuery example

$modelManager = $this->get(\Shopware\Components\Model\ModelManager::class);
        try {
            $modelManager->persist($group);
            $modelManager->flush();
        } catch (\Exception $e) {
            $this->View()->assign(['success' => false, 'message' => $e->getMessage()]);

            return;
        }
        $data = $this->getPropertyRepository()
                     ->getGroupDetailQuery($group->getId())
                     ->getOneOrNullResult(\Doctrine\ORM\AbstractQuery::HYDRATE_ARRAY);

        $this->View()->assign(['success' => true, 'data' => $data]);
    }

    /** * Updates one group identified by its identifier */
    public function updateSetAction()
    {
        if (!($id = $this->Request()->getParam('id'))) {