one parameter it works no parameters it works so this is just understanding how they are how the library works and this could be an HCP library messaging library some concurrency library your were just writing little programs and executing them to see what's the result let's do something slightly more fancy let's say that your business manager it tells you that you have to build a new feature and you know it some for exchange for that feature and one of your mates told you that there is a restful endpoint to do that and it gives