<?php require_once dirname(__FILE__) . '/../../index.php'; # Create a Payment require_once dirname(__FILE__) . '/create.php'; # Refunding $refund = new MercadoPago\Refund(); $refund->amount = $payment->total_paid_amount; $refund->metadata = "A total refund"; $refund->save(); echo $refund->id; echo "Refunds \n"; var_dump($payment->refunds); ?>