From 3eaa331676fbfe2e1ec0caa4b8bba44a3ff53d16 Mon Sep 17 00:00:00 2001
From: Ganesh Sanap <ganeshsanap120694@gmail.com>
Date: Sun, 28 May 2023 13:18:39 +0530
Subject: [PATCH] Added AllowDeletion parameter to Set-PnPList cmdlet

---
 documentation/Set-PnPList.md  | 16 +++++++++++++++-
 src/Commands/Lists/SetList.cs | 11 ++++++++++-
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/documentation/Set-PnPList.md b/documentation/Set-PnPList.md
index 56e5d9c29..f04971a3f 100644
--- a/documentation/Set-PnPList.md
+++ b/documentation/Set-PnPList.md
@@ -17,7 +17,7 @@ Updates list settings
 ```powershell
 Set-PnPList -Identity <ListPipeBind> [-EnableContentTypes <Boolean>] [-BreakRoleInheritance]
  [-ResetRoleInheritance] [-CopyRoleAssignments] [-ClearSubScopes] [-Title <String>] [-Description <String>]
- [-Hidden <Boolean>] [-ForceCheckout <Boolean>] [-ListExperience <ListExperience>]
+ [-Hidden <Boolean>] [-AllowDeletion <Boolean>] [-ForceCheckout <Boolean>] [-ListExperience <ListExperience>]
  [-EnableAttachments <Boolean>] [-EnableFolderCreation <Boolean>] [-EnableVersioning <Boolean>]
  [-EnableMinorVersions <Boolean>] [-MajorVersions <UInt32>] [-MinorVersions <UInt32>]
  [-EnableModeration <Boolean>] [-DraftVersionVisibility <DraftVisibilityType>] [-ReadSecurity <ListReadSecurity>] [-WriteSecurity <ListWriteSecurity>]
@@ -334,6 +334,20 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -AllowDeletion
+Allow or prevent deletion of the list from the SharePoint UI. Set to $true to allow, $false to prevent.
+
+```yaml
+Type: Boolean
+Parameter Sets: (All)
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -Identity
 The ID, Title or Url of the list.
 
diff --git a/src/Commands/Lists/SetList.cs b/src/Commands/Lists/SetList.cs
index d7b0541a3..641fa5d92 100644
--- a/src/Commands/Lists/SetList.cs
+++ b/src/Commands/Lists/SetList.cs
@@ -38,6 +38,9 @@ public class SetList : PnPWebCmdlet
         [Parameter(Mandatory = false)]
         public bool Hidden;
 
+        [Parameter(Mandatory = false)]
+        public bool AllowDeletion;
+
         [Parameter(Mandatory = false)]
         public bool ForceCheckout;
 
@@ -122,7 +125,7 @@ protected override void ExecuteCmdlet()
                 list = newIdentity.GetList(CurrentWeb);
             }
 
-            list.EnsureProperties(l => l.EnableAttachments, l => l.EnableVersioning, l => l.EnableMinorVersions, l => l.Hidden, l => l.EnableModeration, l => l.BaseType, l => l.HasUniqueRoleAssignments, l => l.ContentTypesEnabled, l => l.ExemptFromBlockDownloadOfNonViewableFiles, l => l.DisableGridEditing, l => l.DisableCommenting);
+            list.EnsureProperties(l => l.EnableAttachments, l => l.EnableVersioning, l => l.EnableMinorVersions, l => l.Hidden, l => l.AllowDeletion, l => l.EnableModeration, l => l.BaseType, l => l.HasUniqueRoleAssignments, l => l.ContentTypesEnabled, l => l.ExemptFromBlockDownloadOfNonViewableFiles, l => l.DisableGridEditing, l => l.DisableCommenting);
 
             var enableVersioning = list.EnableVersioning;
             var enableMinorVersions = list.EnableMinorVersions;
@@ -152,6 +155,12 @@ protected override void ExecuteCmdlet()
                 updateRequired = true;
             }
 
+            if (ParameterSpecified(nameof(AllowDeletion)) && AllowDeletion != list.AllowDeletion)
+            {
+                list.AllowDeletion = AllowDeletion;
+                updateRequired = true;
+            }
+
             if (ParameterSpecified(nameof(EnableContentTypes)) && list.ContentTypesEnabled != EnableContentTypes)
             {
                 list.ContentTypesEnabled = EnableContentTypes;