usersignature.php

См. документацию.

<?php
 
namespace Bitrix\Mail\Internals;
 
use Bitrix\Mail\Internals\Entity\UserSignature;
use Bitrix\Main\ORM\Data\DataManager;
use Bitrix\Main\Entity;

class UserSignatureTable extends DataManager
{
    const TYPE_ADDRESS = 'address';
    const TYPE_SENDER = 'sender';

    public static function getTableName()
    {
        return 'b_mail_user_signature';
    }

    public static function getMap()
    {
        return [
            new Entity\IntegerField('ID', [
                'primary' => true,
                'autocomplete' => true,
            ]),
            new Entity\IntegerField('USER_ID', [
                'required' => true,
            ]),
            new Entity\TextField('SIGNATURE'),
            new Entity\StringField('SENDER'),
        ];
    }

    public static function getObjectClass()
    {
        return UserSignature::class;
    }
}