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AvoidDefaultValueSwitchParameter.md

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description Switch Parameters Should Not Default To True
ms.date 06/28/2023
ms.topic reference
title AvoidDefaultValueSwitchParameter

AvoidDefaultValueSwitchParameter

Severity Level: Warning

Description

Switch parameters for commands should default to false.

How

Change the default value of the switch parameter to be false.

Example

Wrong

function Test-Script
{
    [CmdletBinding()]
    Param
    (
        [String]
        $Param1,

        [switch]
        $Switch=$True
    )
    ...
}

Correct

function Test-Script
{
    [CmdletBinding()]
    Param
    (
        [String]
        $Param1,

        [switch]
        $Switch=$False
    )
    ...
}