How to add a custom item to a specific WordPress menu item position

Question

I have a primary menu registered and displayed that consists of 4 links (home, about, news, blog). I want to add html (a logo) in between the second and third menu and I was

Answer 1

function add_admin_link($items, $args){
    if( $args->menu_id == 'header_menu' ){
        $items .= '
Paste the text or code here
';
    }
    return $items;
}
add_filter('wp_nav_menu_items', 'add_admin_link',20,2);