Connector::getImMessengerUrl

static function getImMessengerUrl(int $lineId, string $connectorId, $additional = null): array
{
	$url = [];
	$connectorClass = self::getConnectorHandlerClass($connectorId);
	if (is_subclass_of($connectorClass, ConnectorsMessengerUrl::class))
	{
		/** @var ConnectorsMessengerUrl $connector */
		$connector = self::initConnectorHandler($connectorId);
		$url = $connector->getMessengerUrl($lineId, $additional);
	}

	return $url;
}