[Plugin: Shortcodes Ultimate] php template tag

ok, i found in another post:
use this to add template tag

<?php
$my_button = '[gn_button link="http://www.xxx.com/" color="#cc0000" size="3" style="1" dark="0" square="1"] Button text! [/gn_button]';
echo do_shortcode( $my_button );
?>