adding additional menu to genesis

additional-menu-genesis

function register_additional_menu() {
  
register_nav_menu( 'third-menu' ,__( 'Third Navigation Menu' ));
     
}
add_action( 'init', 'register_additional_menu' );

add_action( 'genesis_before', 'add_third_nav_genesis' ); 

function add_third_nav_genesis() {

wp_nav_menu( array( 'theme_location' => 'third-menu', 'container_class' => 'genesis-nav-menu' ) );

}