invoiceninja/app/Models/Backup.php

<?php
/**
 * Invoice Ninja (https://invoiceninja.com)
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2020. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://opensource.org/licenses/AAL
 */

namespace App\Models;

use App\Utils\Traits\MakesHash;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use Laracasts\Presenter\PresentableTrait;

class Backup extends BaseModel
{

    public function getEntityType()
    {
        return Backup::class;
    }

    public function activity()
    {
        return $this->belongsTo(Activity::class);
    }
}