App.config

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
    </startup>

    <appSettings>
      <add key="BaseUrl" value="https://api.xero.com"/>
      <add key="ConsumerKey" value="xxxxxxxxxxx"/>
      <add key="ConsumerSecret" value="xxxxxxxxxx"/>
      <add key="CallbackUrl" value="oob"/>
      <add key="SigningCertificate" value="public_privatekey.pfx"/>
      <add key="SigningCertificatePassword" value=""/>
    </appSettings>
  </configuration>