Source: oscmax.com - Thanks to michael_s
There are four main steps to adding your own custom static content pages to osCMax. Follow the tutorial below to create a static page.
define('CONTENT_TESTPAGE', 'testpage');
define('FILENAME_TESTPAGE', 'testpage.php');
define('NAVBAR_TITLE', 'New Created Static Page');
define('HEADING_TITLE', 'New Created Static Page');
define('TEXT_INFORMATION', 'This page tells you how to add a new static page
to OSCMAX using the Template Structure.');
http://yourcatalog.com/catalog/testpage.php