События DataManager D7

public static function onBeforeAdd(Entity\Event $event)
{
    $result = new Entity\EventResult;
    
    $result->modifyFields([
       'CUSTOMFIELD' => "Мое значение"
    ]);

    return $result;
}

$current_date =date("Y-m-d H:i:s");

<?php

namespace Fusion;

use \Bitrix\Main;
use \Bitrix\Main\Localization\Loc;
 
class TestTable extends Main\Entity\DataManager
{
    /**
     * Returns DB table name for entity.
     *
     * @return string
     */
    public static function getTableName()
    {
        return 'brainkit_test';
    }

    /**
     * Returns entity map definition.
     *
     * @return array
     */
    public static function getMap()
    {
        return array(
            'ID' => array(
                'data_type' => 'integer',
                'primary' => true,
                'autocomplete' => true,
                'title' => Loc::getMessage('DATA_ENTITY_ID_FIELD'),
            ),
            'TITLE' => array(
                'data_type' => 'text',
                'required' => true,
                'title' => Loc::getMessage('DATA_ENTITY_TITLE_FIELD'),
            ),
            'SORT' => array(
                'data_type' => 'integer',
                'title' => Loc::getMessage('DATA_ENTITY_SORT_FIELD'),
            ),
            'CREATED' => array(
                'data_type' => 'datetime',
                'title' => Loc::getMessage('DATA_ENTITY_CREATED_FIELD'),
            )
        );
    }

    public static function onBeforeAdd( Main\Entity\Event $event)
    {
        $result = new Main\Entity\EventResult();

        $current_date = new Main\Type\DateTime();

        $result->modifyFields([
          'CREATED' => $current_date
        ]);

        return $result;
    }
}

Bitrix\Main\Loader::registerAutoloadClasses(
   "brainkit.d7",
   array(
      "Brainkit\\D7\\Test" => "lib/test.php",
   )
);