function Set-EnvironmentVariable {
<#
.SYNOPSIS
    Set or creates an environment variable. Must supply the store name, defaults to machine level.

.PARAMETER Name
    Sets or creates the environment variable with the specified name.

.PARAMETER Value
    Sets the environment variable with the specified value.

.PARAMETER StoreName
    The appropriate store to put the variable in. Defaults to machine.
#>
    [CmdletBinding()]
    param(
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [Alias("Key")]
        [string]$Name,
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [string]$Value,
        [Parameter(Mandatory = $true)]
        [Alias("Store")]
        [Alias("Location")]
        [ValidateSet("Process","User","Machine")]
        [string]$StoreName
    )

    $logLead = (Get-LogLeadName)

    Write-Host "$logLead : Set environment variable [$Name] in $StoreName store"

    [System.Environment]::SetEnvironmentVariable($Name, $Value, [System.EnvironmentVariableTarget]::$StoreName)
}