src/Notifications/ConfirmEmail.php
public function toMail($notifiable)
    {
        return (new MailMessage)
            ->subject(__('confirmation::confirmation.confirmation_subject'))
            ->line(__('confirmation::confirmation.confirmation_subject_title'))
            ->line(__('confirmation::confirmation.confirmation_body'))
            ->action(__('confirmation::confirmation.confirmation_button'),
                url("register/confirm/$notifiable->confirmation_code"));
    }
public function toMail($notifiable)
    {
        return (new MailMessage)
            ->subject(__('confirmation::confirmation.confirmation_subject'))
            ->line(__('confirmation::confirmation.confirmation_subject_title'))
            ->line(__('confirmation::confirmation.confirmation_body'))
            ->action(__('confirmation::confirmation.confirmation_button'),
                url("register/confirm/$notifiable->confirmation_code"));
    }
Get the mail representation of the notification.

@param  mixed  $notifiable
@return \Illuminate\Notifications\Messages\MailMessage