Powershell Read xml configuration

InstallConfiguration.config

<?xml version="1.0" encoding="utf-8"?>
<InstallSettings>
    
    <WebsiteRootPath>C:\inetpub\wwwroot\my\website</WebsiteRootPath>

</InstallSettings>

read-xml-config.ps1

$ConfigPath = "C:\Software\Sitecore\SIMS\Script\InstallConfiguration.config"

 #region Global Variable
        $global:websiteRootPath ="";

#endregion

 #region functions

    function New-ConfigSettings([string] $configPath)
    {
    
        Write-Host  "Started: Intialise and reading of configuration is in progress...";

        [xml]$configXml = Get-Content ($configPath);

        $global:websiteRootPath   =   $configXml.InstallSettings.WebsiteRootPath
         
    
        Write-Host  "End: Intialise and reading of configuration is completed successfully";
    }
#endregion


New-ConfigSettings $ConfigPath
#read global variable

write-host $global:websiteRootPath