CECCalendar::GetCalDAVXmlId

static function GetCalDAVXmlId($iblockId, $calendarId)
{
	$key = "UF_BXDAVEX_CDAV";
	$arUF = $GLOBALS["USER_FIELD_MANAGER"]->GetUserFields("IBLOCK_".$iblockId."_SECTION", $calendarId);
	if (isset($arUF[$key]) && ($arUF[$key]['VALUE'] <> ''))
		return $arUF[$key]['VALUE'];
	return 0;
}