Checkout success and cancel

Checkout success page: green icon, Payment completed successfully, "Your payment was processed successfully. Thank you for your purchase!" May redirect to success URL from session. Error page: red icon, Payment failed, "Your payment could not be processed. Try again or contact support." Try again reopens the same session form if not expired. Disabled when session expired or completed - customer needs a new link. If cancelUrl was set, on cancel customer may be redirected there. More messages: Payment success and failure.