BaseNotification.php

<?php

namespace App\Notifications;

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

class BaseNotification extends Notification
{
    use Queueable;
    protected $tenant;

    /**
     * Create a new notification instance.
     *
     * @return void
     */
    public function __construct($tenant)
    {
        $this->tenant = $tenant;
    }

    public function getTenant()
    {
        return $this->tenant;
    }

    public function via()
    {
        return ['database'];
    }

    public function toArray($notifiable)
    {
        return [
          'name' => $notifiable->name,
          'email' => $notifiable->email
        ];
    }
}