factorymain.php

См. документацию.

<?php
namespace Bitrix\Main\Filter;
 
use Bitrix\Main\Event;
use Bitrix\Main\EventResult;
 
class FactoryMain
{
    public static function onBuildFilterFactoryMethods(Event $event)
    {
        $result = new EventResult(
            EventResult::SUCCESS,
            [
                'callbacks' => [
                    \Bitrix\Main\UserTable::getUfId() => function($entityTypeName, array $settingsParams, array $additionalParams = null) {
 
                        if ($entityTypeName == \Bitrix\Main\UserTable::getUfId())
                        {
                            $settings = new \Bitrix\Main\Filter\UserSettings($settingsParams);
                            $filterID = $settings->getID();
 
                            return new \Bitrix\Main\Filter\Filter(
                                $filterID,
                                new \Bitrix\Main\Filter\UserDataProvider($settings),
                                [ new \Bitrix\Main\Filter\UserUFDataProvider($settings) ]
                            );
 
                        }
                    }
                ]
            ],
            'main'
        );
 
        return $result;
    }
}