Added or improved help on all functions.

Private/ConvertTo-XMLWindowsFirewall.ps1

@@ -1,4 +1,26 @@
 function ConvertTo-XMLWindowsFirewall {
+    <#
+    .SYNOPSIS
+    Converts a Group Policy Object (GPO) to an XML representation for Windows Firewall settings.
+
+    .DESCRIPTION
+    This function takes a GPO object and converts it into an XML format suitable for Windows Firewall settings. It can handle single GPO objects or multiple GPO objects.
+
+    .PARAMETER GPO
+    Specifies the Group Policy Object to be converted to XML.
+
+    .PARAMETER SingleObject
+    Indicates whether to convert a single GPO object or multiple GPO objects.
+
+    .EXAMPLE
+    ConvertTo-XMLWindowsFirewall -GPO $myGPO -SingleObject
+    Converts a single GPO object $myGPO to an XML representation for Windows Firewall settings.
+
+    .EXAMPLE
+    $GPOs | ConvertTo-XMLWindowsFirewall
+    Converts multiple GPO objects in the $GPOs array to XML representations for Windows Firewall settings.
+
+    #>
     [cmdletBinding()]
     param(
         [PSCustomObject] $GPO,