specificdocumentsettings.php

См. документацию.

<?php
 
namespace Bitrix\Catalog\Filter\DataProvider\EntitySettings;
 
use Bitrix\Catalog\Document\Type\StoreDocumentArrivalTable;
use Bitrix\Main\Filter\EntitySettings;
 
abstract class SpecificDocumentSettings extends EntitySettings
{
    public function getEntityTypeName()
    {
        return $this->getUserFieldEntityID();
    }
 
    abstract protected static function getTableClass(): string;
 
    public function getUserFieldEntityID()
    {
        return static::getTableClass()::getUfId();
    }
}