CDavAccountsBaseLimited::LoadLimitedEntitiesList

protected function LoadLimitedEntitiesList($collectionId, $account, $maxCount, $filter = [])
{
	if ($account instanceof CDavPrincipal)
	{
		$userId = $account->Id();
	}
	else
	{
		$userId = $account[1];
	}
	$filter['UF_DEPARTMENT'] = self::GetResourceSyncUfDepartments($userId);
	if (empty($filter['UF_DEPARTMENT']))
	{
		unset($filter['UF_DEPARTMENT']);
	}

	return CDavAccount::GetAddressbookContactsList($collectionId, $filter);
}