Bitrix случайная выборка пользователя

randomUser.php

<?
$users = \Bitrix\Main\UserTable::getList([
    "order" => [
        "RAND" => "asc"
    ],
    'runtime' => array(
        new \Bitrix\Main\Entity\ExpressionField('RAND', 'RAND()')
    ),
    "limit" => 10
])->fetchAll();