CEventCalendar::SyncClearCache

static function SyncClearCache($site)
{
	$iblockId = self::GetUserCalendarIBlockId($site);

	$event = new static();

	$event->ClearCache('event_calendar/events/'.$iblockId.'/');
	$event->ClearCache('event_calendar/'.$iblockId."/calendars/");
	$event->ClearCache('event_calendar/sp_user');
}