Check if a nav menu is supported with Genesis

functions.php

<?php
// Paste the code BELOW this line into your child theme functions.

/**
 * Check if a nav menu is supported with Genesis
 *
 * @author Reasons to Use Genesis
 * @link http://reasonstousegenesis.com/genesis-nav-menu-supported/
 */
add_action( 'your_desired_hook', 'rtug_nav_menu_supported' ); // replace your_desired_hook with your desired hook
function rtug_nav_menu_supported() {

	if ( genesis_nav_menu_supported( 'ID' ) ) { // replace ID with the ID of your menu location
		// your code here
	}

}