
Functions - PowerShell | Microsoft Learn
Jan 23, 2025 · Learn how to create reusable PowerShell functions, implement best practices, and avoid common pitfalls in function design, error handling, and parameter validation.
about_Functions - PowerShell | Microsoft Learn
Jul 16, 2025 · If you don't use one of the keywords (begin, process, end, clean) in a function definition, PowerShell puts the statements in the end block. For more information about the …
about_Functions_Advanced_Parameters - PowerShell | Microsoft …
You can add parameters to the advanced functions that you write, and use parameter attributes and arguments to limit the parameter values that function users submit with the parameter.
about_Function_Provider - PowerShell | Microsoft Learn
Sep 29, 2025 · The PowerShell Function provider lets you get, add, change, clear, and delete the functions and filters in PowerShell. A function is a named block of code that performs an action.
about_Functions_Advanced - PowerShell | Microsoft Learn
Sep 29, 2025 · Advanced functions allow you create cmdlets that are written as a PowerShell function. Advanced functions make it easier to create cmdlets without having to write and …
about_Built-in_Functions - PowerShell | Microsoft Learn
Sep 29, 2025 · Long description PowerShell includes a set of functions that are loaded into every PowerShell session. These functions are similar to cmdlets but they're not included in any …
about_Return - PowerShell | Microsoft Learn
Sep 29, 2025 · When you return a collection from your script block or function, PowerShell automatically unrolls the members and passes them one at a time through the pipeline.
about_Ref - PowerShell | Microsoft Learn
Sep 29, 2025 · The primary purpose of [ref] is to enable passing PowerShell variables by reference to .NET method parameters marked as ref, out, or in. You can also define your own …
Everything you wanted to know about ShouldProcess - PowerShell
PowerShell functions have several features that greatly improve the way users interact with them. One important feature that is often overlooked is -WhatIf and -Confirm support and it's easy to …
Everything you wanted to know about PSCustomObject - PowerShell
Jun 20, 2024 · PSCustomObject is a great tool to add into your PowerShell tool belt. Let's start with the basics and work our way into the more advanced features. The idea behind using a …