UNIT3D-Community-Edition/app/Notifications/UserBanExpire.php

<?php

namespace App\Notifications;

use Illuminate\Bus\Queueable;
use Illuminate\Notifications\Messages\MailMessage;
use Illuminate\Notifications\Notification;

class UserBanExpire extends Notification
{
    use Queueable;

    /**
     * Create a new notification instance.
     */
    public function __construct()
    {
    }

    /**
     * Get the notification's delivery channels.
     */
    public function via($notifiable): array
    {
        return ['mail'];
    }

    /**
     * Get the mail representation of the notification.
     */
    public function toMail($notifiable): MailMessage
    {
        return (new MailMessage())
            ->greeting('You have been unbanned 🤩')
            ->line('You have been unbanned from '.config('other.title'))
            ->line('Thank you for using 🚀'.config('other.title'));
    }
}