How to Add Help to PowerShell Scripts


 

Shortly after writing my last article on Parameters, I had to update a script, and I wanted to make it easier for others to run. One of the features I wanted to add was the ability to show them what the script would do with the provided parameters without actually running the script, in other words, provide “help”.

Using a Switch to Control Help

My initial thought was to add another parameter, make it a Boolean and then check the state of it. If it’s true, display some help text. If not, run the code. However, like many things, the