diff --git a/.gitignore b/.gitignore
index 697082a..ea4af46 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,9 @@
 /dozorova_alena_lab_2/ConsoleApp2/.vs
 /dozorova_alena_lab_2/ConsoleApp2/bin
 /dozorova_alena_lab_2/ConsoleApp2/obj
+/dozorova_alena_lab_3/PostService/.vs
+/dozorova_alena_lab_3/WorkerService/.vs
+/dozorova_alena_lab_4/Receive/bin
+/dozorova_alena_lab_4/Receive/obj
+/dozorova_alena_lab_4/Send/bin
+/dozorova_alena_lab_4/Send/obj
diff --git a/dozorova_alena_lab_4/Receive/Program.cs b/dozorova_alena_lab_4/Receive/Program.cs
new file mode 100644
index 0000000..ffe992b
--- /dev/null
+++ b/dozorova_alena_lab_4/Receive/Program.cs
@@ -0,0 +1,29 @@
+using System.Text;
+using RabbitMQ.Client;
+using RabbitMQ.Client.Events;
+
+var factory = new ConnectionFactory { HostName = "localhost" };
+using var connection = factory.CreateConnection();
+using var channel = connection.CreateModel();
+
+channel.QueueDeclare(queue: "hello",
+                     durable: false,
+                     exclusive: false,
+                     autoDelete: false,
+                     arguments: null);
+
+Console.WriteLine(" [*] Waiting for messages.");
+
+var consumer = new EventingBasicConsumer(channel);
+consumer.Received += (model, ea) =>
+{
+    var body = ea.Body.ToArray();
+    var message = Encoding.UTF8.GetString(body);
+    Console.WriteLine($" [x] Received {message}");
+};
+channel.BasicConsume(queue: "hello",
+                     autoAck: true,
+                     consumer: consumer);
+
+Console.WriteLine(" Press [enter] to exit.");
+Console.ReadLine();
\ No newline at end of file
diff --git a/dozorova_alena_lab_4/Receive/Receive.csproj b/dozorova_alena_lab_4/Receive/Receive.csproj
new file mode 100644
index 0000000..f72406b
--- /dev/null
+++ b/dozorova_alena_lab_4/Receive/Receive.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="RabbitMQ.Client" Version="6.8.1" />
+  </ItemGroup>
+
+</Project>
diff --git a/dozorova_alena_lab_4/Send/Program.cs b/dozorova_alena_lab_4/Send/Program.cs
new file mode 100644
index 0000000..4e0f5c2
--- /dev/null
+++ b/dozorova_alena_lab_4/Send/Program.cs
@@ -0,0 +1,24 @@
+using System.Text;
+using RabbitMQ.Client;
+
+var factory = new ConnectionFactory { HostName = "localhost" };
+using var connection = factory.CreateConnection();
+using var channel = connection.CreateModel();
+
+channel.QueueDeclare(queue: "hello",
+                     durable: false,
+                     exclusive: false,
+                     autoDelete: false,
+                     arguments: null);
+
+const string message = "Hello World!";
+var body = Encoding.UTF8.GetBytes(message);
+
+channel.BasicPublish(exchange: string.Empty,
+                     routingKey: "hello",
+                     basicProperties: null,
+                     body: body);
+Console.WriteLine($" [x] Sent {message}");
+
+Console.WriteLine(" Press [enter] to exit.");
+Console.ReadLine();
\ No newline at end of file
diff --git a/dozorova_alena_lab_4/Send/Send.csproj b/dozorova_alena_lab_4/Send/Send.csproj
new file mode 100644
index 0000000..f72406b
--- /dev/null
+++ b/dozorova_alena_lab_4/Send/Send.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="RabbitMQ.Client" Version="6.8.1" />
+  </ItemGroup>
+
+</Project>