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

<?php
namespace Omnipay\PayPal\Message;
 
class RestCompletePurchaseRequest extends AbstractRestRequest
{
    public function getData()
    {
        $this->validate('transactionReference', 'payerId');
 
        $data = array(
            'payer_id' => $this->getPayerId()
        );
 
        return $data;
    }
 
    public function getEndpoint()
    {
        return parent::getEndpoint() . '/payments/payment/' . $this->getTransactionReference() . '/execute';
    }
}