$this error() Indicate that the notification gives information about an

$this success() Indicate that the notification gives information about

$this line(Action|string $line)

$this attach(string $file, array $options = array()) Attach a file to the

SimpleMessage class SimpleMessage (

$this from(string $username, string|null $icon = null) Set a custom user

$this to(string|array $address) Set the recipient address for the mail

$this level(string $level) Set the "level" of the notification (success

$this title(string $title, string $url = null) Set the title of the attachment

$this attachment(Closure $callback)