| Parameter | Details |
|---|---|
IDictionary<string,object> environment | This is the only collection in which OWIN communicates information during a call. All keys can be found at https://docs.asp.net/en/latest/fundamentals/owin.html#owin-keys |
The AppFunc type is just an alias for Func<IDictionary<string, object>, Task> type to shorten method signatures, much like typedef in C++.