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filter is not described

wp_get_nav_menu_items filter-hook . WP 3.0.0

Filters the navigation menu items being returned.

Usage

add_filter( 'wp_get_nav_menu_items', 'filter_function_name_1034', 10, 3 );
function filter_function_name_1034( $items, $menu, $args ){
	// filter...

	return $items;
}
$items(array)
An array of menu item post objects.
$menu(object)
The menu object.
$args(array)
An array of arguments used to retrieve menu item objects.

Where the hook is called

wp_get_nav_menu_items()
wp-includes/nav-menu.php 724
return apply_filters( 'wp_get_nav_menu_items', $items, $menu, $args );

Where the hook is used (in WP core)

wp-includes/customize/class-wp-customize-nav-menu-item-setting.php 450
add_filter( 'wp_get_nav_menu_items', array( $this, 'filter_wp_get_nav_menu_items' ), 10, 3 );
wp-includes/customize/class-wp-customize-nav-menu-item-setting.php 454
add_filter( 'wp_get_nav_menu_items', array( __CLASS__, 'sort_wp_get_nav_menu_items' ), 1000, 3 );