function Set-ApplicationPoolExecutionAccount {
<#
.SYNOPSIS
	Sets the Execution Account for an Application Pool

.PARAMETER AppPool
    [string] The web application pool.

.PARAMETER Credential
    [PSCredential] The credentials to use for configuration here

.PARAMETER IsGMSAAccount
    [Switch] Is the account credential a GMSAAccount
#>
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory=$true, Position=0)]
        [Microsoft.Web.Administration.ApplicationPool]$appPool,

        [Parameter(Mandatory=$true, Position=1)]
        [PSCredential]$Credential,

        [Parameter(Mandatory=$false, Position=2)]
        [switch]$IsGMSAAccount
    )

    $logLead  = (Get-LogLeadName)

    $appPool.ProcessModel.IdentityType = [Microsoft.Web.Administration.ProcessModelIdentityType]::SpecificUser

    Write-Verbose "$logLead : Setting ExecutionUser (GMSA: $IsGMSAAccount) to @($Credential.UserName)"
    $appPool.ProcessModel.UserName = $Credential.UserName

    if (!$IsGMSAAccount) {
        Write-Verbose "$logLead : Setting Password on $($appPool.Name)"
        $appPool.ProcessModel.Password = (Get-PasswordFromCredential $Credential)
    }
}