Add Extra Code to Primary Menu in Genesis. 2 examples

functions.php

<?php

/* Add Extra Code to Primary Menu
------------------------------------------------------------ */

function be_menu_extras($menu, $args) {
	$extras = '<li class="right">Your extras go here</li>';
	return $menu . $extras;
}
add_filter('wp_nav_menu_primary_items','be_menu_extras', 10, 2);