Checkout SDK overview

<html>
    <head>
        <script src="https://test-gateway.mastercard.com/checkout/version/31/checkout.js"
                data-error="errorCallback"
                data-cancel="cancelCallback">
        </script>
    
        <script type="text/javascript">
            function errorCallback(error) {
                  console.log(JSON.stringify(error));
            }
            function cancelCallback() {
                  console.log('Payment cancelled');
            }
        
            Checkout.configure({
                session: {
                    id:  '<your_initiate_checkout_session_ID>'
                 },
                order: {
                    description: 'Ordered goods',
                    id: '<unique_order_id>'
                },
                interaction: {
                    merchant: {
                        name: 'Your merchant name',
                        address: {
                            line1: '200 Sample St',
                            line2: '1234 Example Town'
                        }
                    }
                }
            });
            
        </script>
    </head>
    <body>
        ...
    
        <div id="embed-target"> </div>
        <input type="button" value="Pay with Lightbox" onclick="Checkout.showLightbox();" />
        <input type="button" value="Pay with Payment Page" onclick="Checkout.showPaymentPage();" />
    
        ...
    </body>
</html>