Potentially use upload query params.

as per https://calculated.gg/documentation
<img width="1637" alt="Screen Shot 2019-10-23 at 3 31 40 PM" src="https://user-images.githubusercontent.com/1933836/67435972-8ec48500-f5aa-11e9-8038-72380ac86cf2.png">

You could potentially add these extra fields