/** * @param string $ean * @param ProductDataTransfer $data * * @return string * @throws \Hitmeister\Component\Api\Exceptions\ServerException */ public function upsert($ean, ProductDataTransfer $data) { $endpoint = new Upsert($this->getTransport()); $endpoint->setId($ean); $endpoint->setTransfer($data); $resultRequest = $endpoint->performRequest(); return $resultRequest['status'] == 201; }