Router

<?php
if ($modx->event->name == 'OnPageNotFound') {

if ($modx->getOption('friendly_urls')) {
    if (!function_exists('cleanArray')) {
        function cleanArray($array) {
            $Result = array();
            foreach ($array as $key => $value) {
                if ($value != '')
                    $Result[] = $value;
            }
            return $Result;
        }
    }
    $url = cleanArray(explode('/',$_SERVER['REQUEST_URI']));

    if ($url[count($url)-1] == 'compare') {
        $modx->sendForward(118);
    }
}

}