invoiceninja/app/Models/Paymentable.php

<?php
/**
 * Invoice Ninja (https://invoiceninja.com)
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2019. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://opensource.org/licenses/AAL
 */

namespace App\Models;

use Illuminate\Database\Eloquent\Relations\Pivot;

class Paymentable extends Pivot
{
    // protected $guarded = ['id'];

    // public $incrementing = true;

    protected $table = 'paymentables';


}