var=scriptext

gistfile1.txt

 $myexpansion='
 $applicationdrive=Get-Disk 1
 $size=$applicationdrive | Get-Partition | Get-PartitionSupportedSize'
$maximumexpansion=$size.SizeMax
 $applicationdrive | Get-Partition | Resize-Partition -Size $maximumexpansion

  Invoke-Command -ComputerName localhost  -ScriptBlock $myexpansion

I found a link on this topic on windows it pro.com

I've used it before but it's been a while:
http://windowsafg.no-ip.org/win10x86_x64.html

$message = "Message to John"
$ScriptBlockContent = {
param ($MessageToWrite)
Write-Host $MessageToWrite }

Invoke-Command -ComputerName savdalhv20 -ScriptBlock $ScriptBlockContent -ArgumentList $message