If your automated script takes action based on a value, it's critical to make sure the value is correct. Good thing PowerShell has ways to validate the values that are passed to a function.

Related They are nothing alike 5 PowerShell best practices to work even more efficiently A windows 11 laptop running a PowerShell script to install updates and rreboot Screenshot showing ...

PowerShell Pipeline Considerations When Writing a PowerShell Function Here's how to make the jump from simple lines of code to something that's a lot more useful. By Boe Prox 02/03/2016 ...

Designing PowerShell functions, like coding, is an art. There are lots of shortcuts and best practices that you will come up with yourself to make your coding easier over the long run.

Most eager PowerShell users over-build their functions or scripts to do too many things. You'd get more reuse from old code if your code was more granularly and tightly scoped.