configure()

Example

PaymentSession.configure({
    fields: {
        // Attach hosted fields to your payment page
           card: {
              number: "#card-number",
              securityCode: "#security-code",
              expiryMonth: "#expiry-month",
              expiryYear: "#expiry-year"
           },
           giftCard: {
                  number: "#gift-card-number",
                  pin: "#gift-card-pin"
           },
           ach: {
                  accountType: "#ach-account-type",
                  bankAccountHolder: "#ach-account-holder",
                  bankAccountNumber: "#ach-account-number",
                  routingNumber: "#ach-routing-number"
           }
    },
    frameEmbeddingMitigation: ["javascript", "x-frame-options", "csp"],
    callbacks: {
        initialized: function(response) {
            //handle initialization response
            if(response.status === "ok") {
                // ...
            } else if (response.status === "system_error") {
                console.log(response.message);
            }
        },
        formSessionUpdate: function(response) {
            //handle session update response
        },
        visaCheckout: function(response) {
            //handle Visa Checkout response
        },
        amexExpressCheckout: function(response) {
            // handle Amex Express Checkout response
		}
    },
    order: {
        amount: 10.00,
        currency: "AUD"
    },
    wallets: {
        visaCheckout: {
            enabled: true
            // Add Visa Checkout API specific attributes here
            countryCode: "AU",
            displayName: "Display name",
            locale: "en_au",
            logoUrl: "http://logo.logo",
            payment: {
                cardBrands: [
                    "VISA"
                ]
            },
            review: {
                buttonAction: "Pay",
                message: "Message"
            },
            shipping: {
                acceptedRegions: [
                    "AU"
                ],
                collectShipping: true
            }
        }
       amexExpressCheckout: {
        enabled: true,
        // Add Amex Express Checkout API specific attributes here
        initTags: {
        "theme": "responsive",
        "env": "qa",
        "disable_btn": "false",
        "button_color": "light",
        "client_id": "398f9858-5567-434f-a929-242d6fc7fea8",
        "display_type":"custom"  // IF USING OWN IMAGE FOR BUTTON
        }
      }  
   }
})