Neos\Flow\Mvc\Controller\RestController::initializeUpdateAction PHP Метод

    protected function initializeUpdateAction()
    {
        $propertyMappingConfiguration = $this->arguments[$this->resourceArgumentName]->getPropertyMappingConfiguration();
        $propertyMappingConfiguration->setTypeConverterOption(PersistentObjectConverter::class, PersistentObjectConverter::CONFIGURATION_MODIFICATION_ALLOWED, true);
        $propertyMappingConfiguration->allowAllProperties();
    }