Challenge #1 of 1

Check out this route & controller:

#[Route("/user/{username}")]
public function profile(): Response
{
}

Which of the following is true?

You must have an argument named exactly $username in your profile() method.

You "can" have an argument named $username in your profile() method... but it's not required.

You are allowed to have an argument with any name in your profile() method: the first argument will receive the {username} value if it exists.

You "can" have an argument with any name in your profile() method... but it must be the first argument.

Q:
Check out this route & controller:

`#[Route("/user/{username}")] public function profile(): Response { }`

Which of the following is true?