payment creation

gistfile1.aw

<?php

$ppc = $this->paymentPluginController;

$price = '66.00';
$currency = 'USD';

$instruction = new PaymentInstruction($price, $currency, 'paypal_express_checkout', new ExtendedData());
$ppc->createPaymentInstruction($instruction);

$paymentId = $ppc->createPayment($instruction->getId(), $price)->getId();

$paymentUrl = $this->router->generate('foo_payment_url', array('paymentId' => $paymentId), true);
$instruction->getExtendedData()->set('return_url', $paymentUrl, false);
$instruction->getExtendedData()->set('cancel_url', $paymentUrl, false);
$ppc->createPaymentInstruction($instruction);