How to properly use the -verbose and -debug parameters in a custom cmdlet

Question

By default, any named function that has the [CmdletBinding()] attribute accepts the -debug and -verbose (and a few others) parameters and has the p

Answer 1

You can set the VerbosePreference as a global variable on starting your script and then check for the global variable in your custom cmdlet.

Script:

$global:VerbosePreference = $VerbosePreference
Your-CmdLet

Your-CmdLet:

if ($global:VerbosePreference -eq 'Continue') {
   # verbose code
}

Checking explicitly for 'Continue' allows the script to be equal to -verbose:$false when you call the CmdLet from a script that doesn't set the global variable (in which case it's $null)