ListService.php

См. документацию.

<?php
 
namespace Bitrix\Lists\Api\Service\ServiceFactory;
 
use Bitrix\Lists\Api\Data\IBlockService\IBlockElementFilter;
use Bitrix\Lists\Api\Data\IBlockService\IBlockListFilter;
 
final class ListService extends ServiceFactory
{
    private static string $iBlockTypeId = 'lists';
 
    public static function getIBlockTypeId(): string
    {
        return self::$iBlockTypeId;
    }
 
    protected function fillCatalogFilter(IBlockListFilter $filter): void
    {
        $filter->setSite(SITE_ID);
    }
 
    protected function fillElementListFilter(IBlockElementFilter $filter): void
    {}
 
    protected function fillElementDetailInfoFilter(IBlockElementFilter $filter): void
    {}
}