From 1ce184ecb2324798a837f727d0faebfdba7ec1dc Mon Sep 17 00:00:00 2001
From: Giacomo Pozzoni <giacomopoz@gmail.com>
Date: Sun, 5 May 2024 22:21:47 +0200
Subject: [PATCH] Allow to pass empty values to Set-PnPTenantCdnPolicy

Change Set-PnPTenantCdnPolicy to allow PolicyValue to be an empty string or $null, while still being mandatory.
---
 src/Commands/Admin/SetTenantCdnPolicy.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Commands/Admin/SetTenantCdnPolicy.cs b/src/Commands/Admin/SetTenantCdnPolicy.cs
index ffdf5f210..777ccc243 100644
--- a/src/Commands/Admin/SetTenantCdnPolicy.cs
+++ b/src/Commands/Admin/SetTenantCdnPolicy.cs
@@ -14,11 +14,17 @@ public class SetTenantCdnPolicy : PnPAdminCmdlet
         [Parameter(Mandatory = true)]
         public SPOTenantCdnPolicyType PolicyType;
 
+        [AllowEmptyString]
+        [AllowNull]
         [Parameter(Mandatory = true)]
         public string PolicyValue;
 
         protected override void ExecuteCmdlet()
         {
+            // A null PolicyValue throws an exception Microsoft.SharePoint.Client.UnknownError
+            if (PolicyValue == null)
+                PolicyValue = string.Empty;
+
             Tenant.SetTenantCdnPolicy(CdnType, PolicyType, PolicyValue);
             AdminContext.ExecuteQueryRetry();
         }