I did some more digging around and found the following tracking integrations ONLY for WIX stores.
https://support.wix.com/en/article/using-google-analytics-with-your-wix-stores
https://tapfiliate.com/docs/integrations/wix/
and the following feature request.
https://support.wix.com/en/article/request-adding-tracking-parameters-to-your-url