google.ads.googleads.v23.enums.AttributionModelEnum */ class AttributionModelEnum extends \Google\Protobuf\Internal\Message { /** * Constructor. * * @param array $data { * Optional. Data for populating the Message object. * * } */ public function __construct($data = null) { \GPBMetadata\Google\Ads\GoogleAds\V23\Enums\AttributionModel::initOnce(); parent::__construct($data); } }