What is Slackbot?
Slack has an API called “slash commands” that lets a user type a slash (/) followed by a command name in order to perform a special action. For example, Slack has many built-in slash commands, one example is /help. Here’s how you can easily add your own slash commands using a Xojo web app and the HandleSpecialURL (or HandleURL) method.
Your slash command makes an HTTP request to your Xojo web service app. The web services does its thing and then returns the result back to Slack to display.