GTM on Genesis Framework

/**
 * Add Add Google Tag Manager script on Genesis Framework
 *
 * @author Anand Kumar
 * @link http://www.blogsynthesis.com/add-google-tag-manager-to-wordpress/#genesis-framework
 *
 */

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
}