ImportService::getRestAppName

private function getRestAppName(string $clientId): ?string
{
	$app = AppTable::getByClientId($clientId);
	if (!is_array($app))
	{
		return null;
	}

	$appNamesByPriority = [$app['MENU_NAME'], $app['MENU_NAME_DEFAULT'], $app['MENU_NAME_LICENSE'], $app['APP_NAME']];

	foreach ($appNamesByPriority as $appName)
	{
		if ($appName !== '')
		{
			return $appName;
		}
	}

	return null;
}