eZ\Publish\Core\FieldType\Keyword\KeywordStorage::deleteFieldData PHP Метод

    public function deleteFieldData(VersionInfo $versionInfo, array $fieldIds, array $context)
    {
        $gateway = $this->getGateway($context);
        foreach ($fieldIds as $fieldId) {
            $gateway->deleteFieldData($fieldId);
        }
    }