protected void Submit_Click(object sender, EventArgs e)
        {
            // Create request object
            CreateBillingAgreementRequestType request = new CreateBillingAgreementRequestType();
            // (Required) The time-stamped token returned in the SetCustomerBillingAgreement response.
            // Note: The token expires after 3 hours.
            request.Token = token.Value;

            // Invoke the API
            CreateBillingAgreementReq wrapper = new CreateBillingAgreementReq();
            wrapper.CreateBillingAgreementRequest = request;

            // Configuration map containing signature credentials and other required configuration.
            // For a full list of configuration parameters refer in wiki page
            // [https://github.com/paypal/sdk-core-dotnet/wiki/SDK-Configuration-Parameters]
            Dictionary<string, string> configurationMap = Configuration.GetAcctAndConfig();

            // Create the PayPalAPIInterfaceServiceService service object to make the API call
            PayPalAPIInterfaceServiceService service = new PayPalAPIInterfaceServiceService(configurationMap);

            // # API call
            // Invoke the CreateBillingAgreement method in service wrapper object
            CreateBillingAgreementResponseType billingAgreementResponse =
                    service.CreateBillingAgreement(wrapper);

            // Check for API return status
            setKeyResponseObjects(service, billingAgreementResponse);
        }
        protected void Submit_Click(object sender, EventArgs e)
        {
            // Create request object
            CreateBillingAgreementRequestType request = new CreateBillingAgreementRequestType();
            request.Token = token.Value;

            // Invoke the API
            CreateBillingAgreementReq wrapper = new CreateBillingAgreementReq();
            wrapper.CreateBillingAgreementRequest = request;
            PayPalAPIInterfaceServiceService service = new PayPalAPIInterfaceServiceService();
            CreateBillingAgreementResponseType billingAgreementResponse =
                    service.CreateBillingAgreement(wrapper);

            // Check for API return status
            setKeyResponseObjects(service, billingAgreementResponse);
        }