Write-Debug

Writes a debug message to the console. PowerShell reference

From the PowerShell reference 1 parameter

What it does

from the PowerShell reference, CC BY 4.0

Writes a debug message to the console. The Write-Debug cmdlet writes debug messages to the host from a script or command. By default, debug messages are not displayed in the console, but you can display them by using the Debug parameter or the $DebugPreference variable.

Write-Debug [-Message] <String> [<CommonParameters>]

Understand $DebugPreference

Write-Debug "Cannot open file."Identify

Change the value of $DebugPreference

PS> $DebugPreference
SilentlyContinue
PS> Write-Debug "Cannot open file."
PS>
PS> $DebugPreference = "Continue"
PS> Write-Debug "Cannot open file."
DEBUG: Cannot open file.

Identify

Use the Debug parameter to override $DebugPreference

function Test-Debug {
[CmdletBinding()]
param()
Write-Debug ('$DebugPreference is ' + $DebugPreference)
Write-Host ('$DebugPreference is ' + $DebugPreference)
}

Identify

Its page in the reference: Write-Debug.

Parameters

1 in the PowerShell reference

-MessageSpecifies the debug message to send to the console.

Write-Debug

What it does

Parameters

See also