Small library to help make building slack apps easier when you have access to an HttpRequest object
[FunctionName("slacktest")]
public async Task<IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequest req,
ILogger log)
{
var slackInfo = await Endpoint.Process(req);
if(slackInfo.Command != null && slackInfo.Command.Command == "/weather"){
...
}
}