index.html

<html>
<head>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <script src="https://mtf.gateway.mastercard.com/checkout/version/61/checkout.js"
            data-error="errorCallback"
            data-cancel="cancelCallback"
            data-complete="completeCallback"></script>
    <script type="text/javascript">

            function errorCallback(error) {
                  android.onPaymentFailed(JSON.stringify(error));
            }

            function cancelCallback() {
                  android.onPaymentCancelled();
            }

            function completeCallback(resultIndicator, sessionVersion) {
                android.onPaymentSuccessful(resultIndicator, sessionVersion);
            }

            Checkout.configure({
                session: {
                    id:  'SESSION0002246280607E7483328H67'
                 },
                merchant: 'MALAWIMRA',
                order: {
                    amount: 1000.00,
                    currency: 'MWK',
                    description: 'Load Money to BCN',
                    id: '60004'
                },
                interaction: {
                    merchant: {
                        name: 'MALAWIMRA',
                        address: {
                            line1: 'Street 12',
                            line2: 'Malawi'
                        }
                    },
                    displayControl: {
                        billingAddress : 'HIDE',
                        customerEmail  : 'HIDE',
                        orderSummary   : 'SHOW',
                        shipping       : 'HIDE'
                    }
                }
            });


    </script>
</head>
<body>
</body>
</html>