In the blog Introducing Microsoft ASP.NET WebHooks Preview, we gave an overview of how to work with Microsoft ASP.NET WebHooks. Slack provides an interesting model where you can set up a WebHook to be fired when a certain trigger word is used in one of their messaging channels. In addition, it is possible for the WebHook to send data back to the channel which is very useful. For example, if you have a trigger word AskMe: then you can get the WebHook to respond like this:
For full content, please see the blog Integrating with Slack Using ASP.NET WebHooks Preview.