Share modx cookie. Dont really work

modx-share-cookie.php

<?php
//Only a test

    DEFINE('MODX_BASE_URL', '/');
    $GLOBALS['database_connection_method'] = 'SET CHARACTER SET'; //Needed for MODxSession
    $modx_directory = realpath(dirname(__FILE__).'/../../public_html/');
    require_once $modx_directory.'/manager/includes/config.inc.php';
    require_once $modx_directory.'/manager/includes/document.parser.class.inc.php';
    require_once $modx_directory.'/MODxAPI.class.php';
    $modx = new MODxAPI();