daylightobservances.php

См. документацию.

<?php
 
 
namespace Bitrix\Calendar\ICal\Builder;
 
 
use Bitrix\Calendar\ICal\Basic\Observance;
 
class DaylightObservances extends Observance implements BuilderComponent
{
    public function getType(): string
    {
        return 'DAYLIGHT';
    }
}