How to assign a default value to an optional variable in Laravel routing?

Question

Laravel

The documentation says to do this

Route::get('user/{name?}', function($name = null)
{
    return $name;
});

but how to assign a default value here?

Route::get('date/{date?}', '[email protected]')->name('ajax.matches.date')->middleware('enter');

Answer 1

Logically - in the controller.