method public static ExternalChannel::checkReadPermission() Класс: \Bitrix\Crm\Activity\Provider\ExternalChannel Сигнатура public static checkReadPermission(array<string|int, mixed> $activityFields[, mixed $userId = null ]) : mixed Параметры $activityFields array<string|int, mixed> $userId mixed = null Возвращаемое значение mixed Исходный файл: source/crm/lib/activity/provider/externalchannel.php:597