public function toMail($notifiable)
{
return (new MailMessage())->subject(trans('laralum.notifications_welcome_message_subject', ['title' => Laralum::websiteTitle()]))->line(trans('laralum.notifications_welcome_message_msg', ['user' => $this->user->name, 'title' => Laralum::websiteTitle()]))->action(trans('laralum.notifications_welcome_message_action'), url('/'));
}