How do I input data for a switch parameter?

Question

Complete newbie to powershell...I have set a parameter to be mandatory, but I am not familiar with the input format to make it work. My parameter looks like this 
[Parameter(Mandatory = $true)[switch] $isValid
now when I run my code and it asks for the input value for $isValid, what is the right syntax? So far i have tried just typing "$true", "false", "1", "0", '-isValid"(all without the quotes), but it doesn't accept
anyone I have tried to put in. Any Ideas how I can get my code to accept the input?

Answer 1

A switch statement is typically $False when not being used and $True when you use it and have not set the value of it to $True in the parameter.
Function Foo {
[Cmdletbinding()]
Param (
[parameter()]
[switch]$Switch
Write-Verbose "Switch: $Switch"
If you want it to be $True by default:
Function Foo {
[Cmdletbinding()]
Param (
[parameter()]
[switch]$Switch = $True
Write-Verbose "Switch: $Switch"
Then you would need to use: Foo -Switch:$False
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