how to access the name of menu in worpress

 Object (
   term_id => 4
   name => My Menu Name
   slug => my-menu-name
   term_group => 0
   term_taxonomy_id => 4
   taxonomy => nav_menu
   description => 
   parent => 0
   count => 6
 )

$menu = wp_get_nav_menu_object("my-mainmenu" );

<?php $menu_name = 'sidebar-menu'; //menu slug or menu location
$locations = get_nav_menu_locations();
$menu = wp_get_nav_menu_object( $locations[ $menu_name ] );
$menuitems = wp_get_nav_menu_items( $menu->term_id, array( 'order' => 'DESC' ) );
 
echo "<pre>";
print_r($menuitems);
echo "</pre>";
?>

$menu = wp_get_nav_menu_object("my mainmenu" );

$menu_location = 'header';

$menu_locations = get_nav_menu_locations();

$menu_object = (isset($menu_locations[$menu_location]) ? wp_get_nav_menu_object($menu_locations[$menu_location]) : null);

$menu_name = (isset($menu_object->name) ? $menu_object->name : '');

echo esc_html($menu_name);

wp_get_nav_menu_name($location)

echo $menu->name;