pass in value in route group middle ware

1Route::group(['middleware' => 'checkUserLevel:some_value_of_level'], function () {
2            // my routes
3        });
4

1public function handle($request, Closure $next, $level)
2{
3    $user = Auth::user();
4    if ($user->level > $level) {
5        return redirect('testUrl');
6    }
7
8    return $next($request);
9}
10