AvoidReservedWordsAsFunctionNames.md

description	Avoid reserved words as function names
ms.date	08/31/2025
ms.topic	reference
title	AvoidReservedWordsAsFunctionNames

AvoidReservedWordsAsFunctionNames

Severity Level: Warning

Description

Avoid using reserved words as function names. Using reserved words as function names can cause errors or unexpected behavior in scripts.

How to Fix

Avoid using any of the reserved words as function names. Choose a different name that's not a reserved word.

See about_Reserved_Words for a list of reserved words in PowerShell.

Example

Wrong

# Function is a reserved word
function function {
    Write-Host "Hello, World!"
}

Correct

# myFunction is not a reserved word
function myFunction {
    Write-Host "Hello, World!"
}