Using Sigma For Authenticating With More than just client-id & secret

Using Sigma For Authenticating With More than just client-id & secret

I am trying to use Sigma to authenticate my Desk Extension to an external API. 
OAuth2 gives options for "Client Id", "Client Secret", and "Access Token URL" , but I also need to add additional query fields to authenticate. Would simply appending the fields to the access token url like so: "desk.zoho.com/api?field1=value&field2=value2" be the solution? 

      • Sticky Posts

      • All about extensions

        Extensions are installable plugins or add-ons that help enhance a product. With Zoho extensions, you can improve your existing Zoho products or integrate with third-party apps. Why extensions? Some in-product customizations are available for your Zoho
      • Announcing Zoho Developer Community Bootcamps in India | Zoho Extensions

        Hello everyone, We're excited to announce a line-up of Zoho Developer Community Bootcamps in India. These bootcamps focus on empowering developers of all skill levels to learn and build extensions for Zoho products and potentially monetize them by listing