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So you know how to create functions but what about accepting input? You need parameters. Learn everything you need to know from the absolute basics to building advanced parameter validation attributes in this tutorial-based guidebook.

It covers what parameters are, creating them, creating parameter validation attributes, and even advanced dynamic parameters!

This ATA Guidebook consists of the following tutorials:

Everything you Ever Wanted to Know about PowerShell Parameters
The PowerShell WhatIf Parameter: Looking Before you Leap
Validating Parameters with PowerShell ValidateScript [Walkthrough]
Building Dynamic Parameters and Powershell Parameter Validation
PowerShell ValidateSet: Choosing from a List

This eBook is part of the ATA Guidebook series in partnership with adamtheautomator.com. Each ATA Guidebook contains a series of step-by-step tutorials written by industry professionals from across the globe. An ATA Guidebook contains common tutorials written by subject matter experts to help you navigate the complex world of IT.

Whenever a tutorial matching this theme is published on adamtheautomator.com, this eBook will be updated also. ATA Guidebooks are a way to keep up with your favorite ATA tutorials and get similar tutorials grouped together in eBook form with no advertisements. They are also a way to support adamthe[automator.com and its authors as authors receive 60% of all revenue generated from the sale of this eBook.

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Kick off your book project in 3 hours! Live workshop on Zoom. You’ll leave with a real book project, progress on your first chapter, and a clear plan to keep going. Saturday, May 2, 2026. Learn more…

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