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    Configuring Google Pay
    You must provide your 
Cybersource
 merchant ID to Google in order to
            ensure proper encryption of the Google Pay payload and authenticity of the request.For a Google Pay tutorial, see Google Pay for Payments. 
Set the gateway and gateway merchant ID to the appropriate indicators. The following code
            examples show how to configure the
                
PaymentMethodTokenizationParameters
 object using Cybersource
 as the gateway.Example: Java Code
.setPaymentMethodTokenizationType(WalletConstants.PAYMENT_METHOD_TOKENIZATION_TYPE_PAYMENT_GATEWAY) .addParameter("gateway", "") .addParameter("gatewayMerchantId", "[yourCybersourceMID]")
Example: JavaScript Code
tokenizationType: 'PAYMENT_GATEWAY', parameters: { gateway: 'cybersource', gatewayMerchantId: '[yourCybersourceMID]'