How to use login username instead of email in laravel 5.3?

Question

Laravel

How to use login username instead of email in laravel 5.3?
I read in the documentation but did not understand
https://laravel.com/docs/5.3/authentication#includ...

Answer 1

In LoginController.php override the username method as shown in the documentation:

public function username()
{
    return 'username';
}