Wordpress - Custom Navigation Menus

gistfile1.aw

/**
 * Custom Navigation menus
 *
 * insert to functions.php
 */
add_action( 'init', 'my_custom_menus' );
function my_custom_menus() {
    register_nav_menus(
        array(
            'primary-menu' => __( 'Primary Menu' ),
            'secondary-menu' => __( 'Secondary Menu' )
        )
    );
}

/**
 * Use in template
 *
 * 
 */
<?php wp_nav_menu( array('theme_location' => 'primary-menu' ) ); ?>
<?php wp_nav_menu( array( 'theme_location' => 'secondary-menu' ) ); ?>