Add Google Tag Manager script to a Genesis Framework Child Theme

Google Tag Manager on Genesis Framework

/**
 * Add Google Tag Manager script to a Genesis Framework Child Theme
 *
 * @author Gary Cheeseman (Forked from Anand Kumar)
 * @link http://www.garycheeseman.me.uk/
 *
 */

add_action('genesis_before', 'google_tag_manager');
function google_tag_manager() { ?>
<!-- Google Tag Manager -->
PASTE GOOGLE CODE MANAGER CODE HERE
<!-- End Google Tag Manager -->
<?php
}