vendor/omnipay/paypal/src/Message/RestRefundCaptureRequest.php

<?php
namespace Omnipay\PayPal\Message;
 
class RestRefundCaptureRequest extends AbstractRestRequest
{
    public function getData()
    {
        $this->validate('transactionReference');
 
        return array(
            'amount' => array(
                'currency' => $this->getCurrency(),
                'total' => $this->getAmount(),
            ),
            'description' => $this->getDescription(),
        );
    }
 
    public function getEndpoint()
    {
        return parent::getEndpoint() . '/payments/capture/' . $this->getTransactionReference() . '/refund';
    }
}