function Invoke-Shutdown {
<#
.SYNOPSIS
    Wrap the default Windows shutdown command with more helper information
    You should just use Stop-Computer or Restart-Computer

.PARAMETER Now
    Shutdown the current computer now

.PARAMETER Reboot
    Reboot on shutdown

.PARAMETER ComputerName
    One or more computers to shut down.

.PARAMETER Minutes
    How long to wait before shutting down. Defaults to 1 minute.

.PARAMETER Reason
    Provide a reason why we are shutting this computer down
#>
    [CmdletBinding()]
    [OutputType([void])]
    param (
        [Parameter(ParameterSetName = 'Now')]
        [switch]$Now,
        [Parameter(ParameterSetName = 'Computer', Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [string[]]$ComputerName,
        [Parameter(ParameterSetName = 'Computer', Mandatory = $false)]
        [int]$Minutes = 1,
        [Parameter()]
        [switch]$Reboot,
        [Parameter()]
        [string]$Reason
    )

    $arguments = @("/s") # shutdown command
    if ($Reboot) {
        $arguments = @("/r") # reboot, not shutdown
    }
    if (-not [string]::IsNullOrWhiteSpace($Reason)) {
        $arguments += "/c `"$Reason`""
    }
    $arguments += "/f" # force it to kill apps

    if ($PSCmdlet.ParameterSetName -eq 'Now') {
        Write-Host "Shutting system down now"
        $arguments += "/t"
        $arguments += "0" # now
        Invoke-CallOperatorWithPathAndParameters -Path "C:\Windows\system32\shutdown.exe" -Arguments $arguments
    } else {
        # The timeout value is expressed in seconds, not minutes
        $arguments += "/t"
        $arguments += "$($Minutes * 60)"
        foreach ($computer in $ComputerName) {
            if (-not [string]::IsNullOrWhiteSpace($computer)) {
                Write-Host "Shutting down remote server $computer"
                $computerArguments = @($arguments)
                $computerArguments += "/m"
                $computerArguments += "\\$computer"
                Write-Host "C:\Windows\system32\shutdown.exe $($computerArguments -join ' ')"
                Invoke-CallOperatorWithPathAndParameters -Path "C:\Windows\system32\shutdown.exe" -Arguments $computerArguments
            }
        }
    }
}