Creating and Editing Ducem (Все сообщения пользователя)

$order = Order::load($orderId);
$paymentCollection = $order->getPaymentCollection();
$payment = $paymentCollection[0];
$service = \Bitrix\Sale\PaySystem\Manager::getObjectById($payment->getPaymentSystemId());
$context = \Bitrix\Main\Application::getInstance()->getContext();
$URL_PAYMENT = $service->initiatePay($payment, $context->getRequest(),2)->getPaymentUrl();