Create a temporary folder in powershell

$TempDirectoryValid=$false
$AttemptCount=0
while (!($TempDirectoryValid) -and ($AttemptCount -lt 5))
{
    # Set random directory to the users temp directory plus a random number
    $RandomDirectoryName=get-random
    $TemporaryLocation=$env:TEMP+"\"+$RandomDirectoryName
    # if the temporary path already exists / exit with error
    $AttemptCount++
    if (!(Test-Path -path $TemporaryLocation))
    {
        # Create the temporary location
        new-item $TemporaryLocation -type directory
        $TempDirectoryValid=$true
    }
}
if ($AttemptCount -gt 4)
{
    write-error "Temp folder creation attempted 5 times, failed"
}