[MOD2-818] Add delete_reactions support for ban user

src/Models/Moderation.cs

@@ -35,6 +35,9 @@ public class BanRequest
 
         /// <summary>When true, the user will be automatically banned from all future channels created by the user who issued the ban</summary>
         public bool? BanFromFutureChannels { get; set; }
+
+        /// <summary>When true, all reactions by the banned user on other users' messages will be deleted</summary>
+        public bool? DeleteReactions { get; set; }
     }
 
     public class ShadowBanRequest : BanRequest

tests/UserClientTests.cs

@@ -280,6 +280,22 @@ await _userClient.BanAsync(new BanRequest
             await sendMessageCall.Should().ThrowAsync<StreamChatException>();
         }
 
+        [Test]
+        public async Task TestBanUserWithDeleteReactionsAsync()
+        {
+            // Reaction deletion happens asynchronously, so we only verify the API accepts the parameter
+            Func<Task> banCall = () => _userClient.BanAsync(new BanRequest
+            {
+                Type = _channel.Type,
+                Id = _channel.Id,
+                Reason = "reason",
+                TargetUserId = _user2.Id,
+                UserId = _user1.Id,
+                DeleteReactions = true,
+            });
+            await banCall.Should().NotThrowAsync();
+        }
+
         [Test]
         public async Task TestUnbanUserAsync()
         {