New-TypeAccelerator.ps1

<#
.SYNOPSIS
    This script creates a new type accelerator on your system
.DESCRIPTION
    This script adds a NEW TA to your system.
.NOTES
    File Name  : New-TypeAccelerator.ps1
    Author     : Thomas Lee - tfl@psp.co.uk
    Requires   : Version 3
.LINK
    Script Repository
      http://www.pshscripts.blogspot.com 
.Example
    Psh[C:\foo]> New-TypeAccelerator tfl system.int32
    Alias [tfl] added for type [system.int32]
#>

###
#   Start of script
###

function New-TypeAccelerator {
[cmdletbinding()]
param (
[Parameter(Mandatory=$true)] 
[string] $alias,
 
[Parameter(Mandatory=$true)] 
[string] $type
)

# Start of function
Try
  {
    ([PSObject].Assembly.GetType("System.Management.Automation.TypeAccelerators")::add($alias,$type))
  }
Catch
   {
    Write-Error "Failed to add alias [$alias] to type [$type]"
    return
   }

# Return
"Alias [$alias] added for type [$Type]"
}

Set-Alias nta New-TypeAccelerator

# Test this out
New-TypeAccelerator