I think it might be this.
Incidentally, a protip on google searching:
site:discourse.snowplowanalytics.com returns only results from discourse.
site:snowplowanalytics.com returns only results from the
snowplowanalytics.com domain and subdomains.
I wasn’t familiar with this post, but my first bet was it’s a discourse guide, so I searched:
site:discourse.snowplowanalytics.com tableau user journey
And it was top result. There’s a lot of documentation to sift through, so it can be useful to do so.
Works for any Google search.
Hope that’s helpful!