ACCESS DENIED в компоненте

if ($do=='some_name'){
   $do_file = cmsCore::request('do_file', 'str', ''); 
......................
include 'components/name/file.php';
}

<?php
if(!defined('VALID_CMS')) { die('ACCESS DENIED'); }
//////////////////////////////////////////////////////////////////
if ($do_file == 'download'){
...................................
}
?>

if(!defined('VALID_CMS')) { die('ACCESS DENIED'); }

Notice: Undefined variable: do_file in /home/nik/ubuntu2/www/components/name/file.php on line 6