diff --git a/dotnet/AipsCore/Application/Common/Message/AcceptUserRequestToJoin/AcceptUserRequestToJoinMessage.cs b/dotnet/AipsCore/Application/Common/Message/AcceptUserRequestToJoin/AcceptUserRequestToJoinMessage.cs
new file mode 100644
index 0000000..79d4401
--- /dev/null
+++ b/dotnet/AipsCore/Application/Common/Message/AcceptUserRequestToJoin/AcceptUserRequestToJoinMessage.cs
@@ -0,0 +1,6 @@
+using AipsCore.Application.Abstract.MessageBroking;
+using AipsCore.Application.Models.Whiteboard.Command.AcceptUserRequestToJoin;
+
+namespace AipsCore.Application.Common.Message.AcceptUserRequestToJoin;
+
+public record AcceptUserRequestToJoinMessage(AcceptUserRequestToJoinCommand Command) : IMessage;
\ No newline at end of file
diff --git a/dotnet/AipsCore/Application/Common/Message/AcceptUserRequestToJoin/AcceptUserRequestToJoinMessageHandler.cs b/dotnet/AipsCore/Application/Common/Message/AcceptUserRequestToJoin/AcceptUserRequestToJoinMessageHandler.cs
new file mode 100644
index 0000000..c42f1b8
--- /dev/null
+++ b/dotnet/AipsCore/Application/Common/Message/AcceptUserRequestToJoin/AcceptUserRequestToJoinMessageHandler.cs
@@ -0,0 +1,19 @@
+using AipsCore.Application.Abstract;
+using AipsCore.Application.Abstract.MessageBroking;
+
+namespace AipsCore.Application.Common.Message.AcceptUserRequestToJoin;
+
+public class AcceptUserRequestToJoinMessageHandler : IMessageHandler<AcceptUserRequestToJoinMessage>
+{
+    private readonly IDispatcher _dispatcher;
+
+    public AcceptUserRequestToJoinMessageHandler(IDispatcher dispatcher)
+    {
+        _dispatcher = dispatcher;
+    }
+
+    public async Task Handle(AcceptUserRequestToJoinMessage message, CancellationToken cancellationToken)
+    {
+        await _dispatcher.Execute(message.Command, cancellationToken);
+    }
+}
\ No newline at end of file
diff --git a/dotnet/AipsCore/Application/Common/Message/RejectUserRequestToJoin/RejectUserRequestToJoinMessage.cs b/dotnet/AipsCore/Application/Common/Message/RejectUserRequestToJoin/RejectUserRequestToJoinMessage.cs
new file mode 100644
index 0000000..d92dd98
--- /dev/null
+++ b/dotnet/AipsCore/Application/Common/Message/RejectUserRequestToJoin/RejectUserRequestToJoinMessage.cs
@@ -0,0 +1,6 @@
+using AipsCore.Application.Abstract.MessageBroking;
+using AipsCore.Application.Models.Whiteboard.Command.RejectUserRequestToJoin;
+
+namespace AipsCore.Application.Common.Message.RejectUserRequestToJoin;
+
+public record RejectUserRequestToJoinMessage(RejectUserRequestToJoinCommand Command): IMessage;
\ No newline at end of file
diff --git a/dotnet/AipsCore/Application/Common/Message/RejectUserRequestToJoin/RejectUserRequestToJoinMessageHandler.cs b/dotnet/AipsCore/Application/Common/Message/RejectUserRequestToJoin/RejectUserRequestToJoinMessageHandler.cs
new file mode 100644
index 0000000..a076a32
--- /dev/null
+++ b/dotnet/AipsCore/Application/Common/Message/RejectUserRequestToJoin/RejectUserRequestToJoinMessageHandler.cs
@@ -0,0 +1,19 @@
+using AipsCore.Application.Abstract;
+using AipsCore.Application.Abstract.MessageBroking;
+
+namespace AipsCore.Application.Common.Message.RejectUserRequestToJoin;
+
+public class RejectUserRequestToJoinMessageHandler : IMessageHandler<RejectUserRequestToJoinMessage>
+{
+    private readonly IDispatcher _dispatcher;
+
+    public RejectUserRequestToJoinMessageHandler(IDispatcher dispatcher)
+    {
+        _dispatcher = dispatcher;
+    }
+
+    public async Task Handle(RejectUserRequestToJoinMessage message, CancellationToken cancellationToken)
+    {
+        await _dispatcher.Execute(message.Command, cancellationToken);
+    }
+}
\ No newline at end of file