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filter is not described

customize_nav_menu_searched_items filter-hook . WP 4.5.0

Filters the available menu items during a search request.

Usage

add_filter( 'customize_nav_menu_searched_items', 'filter_function_name_2958', 10, 2 );
function filter_function_name_2958( $items, $args ){
	// filter...

	return $items;
}
$items(array)
The array of menu items.
$args(array)
Includes 'pagenum' and 's' (search) arguments.

Where the hook is called

WP_Customize_Nav_Menus::search_available_items_query()
wp-includes/class-wp-customize-nav-menus.php 397
$items = apply_filters( 'customize_nav_menu_searched_items', $items, $args );

Where the hook is used (in WP core)

Does not used.