diff --git a/src/Infrastructure/BotSharp.Abstraction/BotSharp.Abstraction.csproj b/src/Infrastructure/BotSharp.Abstraction/BotSharp.Abstraction.csproj
index 18ddee55..ba1ea69d 100644
--- a/src/Infrastructure/BotSharp.Abstraction/BotSharp.Abstraction.csproj
+++ b/src/Infrastructure/BotSharp.Abstraction/BotSharp.Abstraction.csproj
@@ -31,8 +31,4 @@
     <PackageReference Include="System.Text.Json" Version="7.0.3" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Folder Include="Messaging\Models\" />
-  </ItemGroup>
-
 </Project>
diff --git a/src/Infrastructure/BotSharp.Abstraction/Conversations/IConversationStateService.cs b/src/Infrastructure/BotSharp.Abstraction/Conversations/IConversationStateService.cs
index 26655e2b..07b713c9 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Conversations/IConversationStateService.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Conversations/IConversationStateService.cs
@@ -5,6 +5,7 @@ namespace BotSharp.Abstraction.Conversations;
 /// </summary>
 public interface IConversationStateService
 {
+    string GetConversationId();
     ConversationState Load(string conversationId);
     string GetState(string name, string defaultValue = "");
     bool ContainsState(string name);
diff --git a/src/Infrastructure/BotSharp.Abstraction/Conversations/Models/RoleDialogModel.cs b/src/Infrastructure/BotSharp.Abstraction/Conversations/Models/RoleDialogModel.cs
index f08e5a66..0aa0cd04 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Conversations/Models/RoleDialogModel.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Conversations/Models/RoleDialogModel.cs
@@ -32,6 +32,8 @@ public class RoleDialogModel : ITrackableMessage
     /// </summary>
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public object Data { get; set; }
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    public object? RichContent { get; set; }
 
     /// <summary>
     /// Stop conversation completion
diff --git a/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/QuickReplyElement.cs b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/QuickReplyElement.cs
new file mode 100644
index 00000000..1be8f208
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/QuickReplyElement.cs
@@ -0,0 +1,15 @@
+
+namespace BotSharp.Abstraction.Messaging.Models.RichContent
+{
+    public class QuickReplyElement
+    {
+        [JsonPropertyName("content_type")]
+        public string ContentType { get; set; } = string.Empty;
+        public string Title { get; set; } = string.Empty;
+        public string? Payload { get; set; }
+        [JsonPropertyName("image_url")]
+        public string? ImageUrl { get; set; }
+        [JsonPropertyName("postback_url")]
+        public string? PostBackUrl { get; set; }
+    }
+}
diff --git a/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/QuickReplyMessage.cs b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/QuickReplyMessage.cs
new file mode 100644
index 00000000..b14b27e1
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/QuickReplyMessage.cs
@@ -0,0 +1,9 @@
+
+namespace BotSharp.Abstraction.Messaging.Models.RichContent
+{
+    public class QuickReplyMessage : TextMessage
+    {
+        [JsonPropertyName("quick_replies")]
+        public List<QuickReplyElement> QuickReplies { get; set; } = new List<QuickReplyElement>();
+    }
+}
diff --git a/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Recipient.cs b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Recipient.cs
new file mode 100644
index 00000000..5c77924a
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Recipient.cs
@@ -0,0 +1,8 @@
+
+namespace BotSharp.Abstraction.Messaging.Models.RichContent
+{
+    public class Recipient
+    {
+        public string Id { get; set; } = string.Empty;
+    }
+}
diff --git a/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/RichContent.cs b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/RichContent.cs
new file mode 100644
index 00000000..221dc96d
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/RichContent.cs
@@ -0,0 +1,13 @@
+namespace BotSharp.Abstraction.Messaging.Models.RichContent
+{
+    public class RichContent<T>
+    {
+        public Recipient Recipient { get; set; } = new Recipient();
+        /// <summary>
+        /// RESPONSE
+        /// </summary>
+        [JsonPropertyName("messaging_type")]
+        public string MessagingType => "RESPONSE";
+        public T Message { get; set; }
+    }
+}
diff --git a/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/SenderActionMessage.cs b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/SenderActionMessage.cs
new file mode 100644
index 00000000..6b652e4e
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/SenderActionMessage.cs
@@ -0,0 +1,15 @@
+
+namespace BotSharp.Abstraction.Messaging.Models.RichContent
+{
+    public class SenderActionMessage
+    {
+        /* 
+         * Requests to display sender action should only include the sender_action parameter and the recipient object.
+         * All other Send API properties, such as text and templates, should be sent in a separate request.
+        */
+        public Recipient Recipient { get; set; } = new Recipient();
+
+        [JsonPropertyName("sender_action")]
+        public string SenderAction { get; set; } = string.Empty;
+    }
+}
diff --git a/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/AttachmentTemplate.cs b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/AttachmentTemplate.cs
new file mode 100644
index 00000000..89f2137e
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/AttachmentTemplate.cs
@@ -0,0 +1,9 @@
+
+namespace BotSharp.Abstraction.Messaging.Models.RichContent.Template
+{
+    public class AttachmentTemplate<T>
+    {
+        public string Type => "template";
+        public T Payload { get; set; }
+    }
+}
diff --git a/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/ButtonTemplate.cs b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/ButtonTemplate.cs
new file mode 100644
index 00000000..f610a682
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/ButtonTemplate.cs
@@ -0,0 +1,17 @@
+
+namespace BotSharp.Abstraction.Messaging.Models.RichContent.Template
+{
+    public class ButtonTemplate : TextMessage
+    {
+        [JsonPropertyName("template_type")]
+        public string TemplateType => "button"; 
+        public List<ButtonElement> Buttons { get; set; } = new List<ButtonElement>();
+    }
+
+    public class ButtonElement
+    {
+        public string Type { get; set; } = string.Empty;
+        public string? Url { get; set; }
+        public string Title { get; set; } = string.Empty;
+    }
+}
diff --git a/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/CommonTemplate.cs b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/CommonTemplate.cs
new file mode 100644
index 00000000..e4b3ea8c
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/CommonTemplate.cs
@@ -0,0 +1,10 @@
+
+namespace BotSharp.Abstraction.Messaging.Models.RichContent.Template
+{
+    public class CommonTemplate<T>
+    {
+        [JsonPropertyName("template_type")]
+        public string TemplateType { get; set; } = string.Empty;
+        public T Elements { get; set; }
+    }
+}
diff --git a/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/TemplateMessage.cs b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/TemplateMessage.cs
new file mode 100644
index 00000000..77b4a55f
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/Template/TemplateMessage.cs
@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BotSharp.Abstraction.Messaging.Models.RichContent.Template
+{
+    public class TemplateMessage<T>
+    {
+        public T Attachment { get; set; }
+    }
+}
diff --git a/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/TextMessage.cs b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/TextMessage.cs
new file mode 100644
index 00000000..94d85894
--- /dev/null
+++ b/src/Infrastructure/BotSharp.Abstraction/Messaging/Models/RichContent/TextMessage.cs
@@ -0,0 +1,8 @@
+
+namespace BotSharp.Abstraction.Messaging.Models.RichContent
+{
+    public class TextMessage
+    {
+        public string Text { get; set; } = string.Empty;
+    }
+}
\ No newline at end of file
diff --git a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.SendMessage.cs b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.SendMessage.cs
index 387a18e7..482857d9 100644
--- a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.SendMessage.cs
+++ b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.SendMessage.cs
@@ -1,4 +1,5 @@
 using BotSharp.Abstraction.Agents.Models;
+using BotSharp.Abstraction.Messaging.Models.RichContent;
 using BotSharp.Abstraction.Routing;
 using BotSharp.Abstraction.Routing.Settings;
 using System.Drawing;
@@ -100,6 +101,14 @@ public partial class ConversationService
         _logger.LogInformation(text);
 #endif
 
+        // Only read content from RichContent for UI rendering. When richContent is null, create a basic text message for richContent.
+        var state = _services.GetRequiredService<IConversationStateService>();
+        message.RichContent = message.RichContent ?? new RichContent<TextMessage>
+        {
+            Recipient = new Recipient { Id = state.GetConversationId() },
+            Message = new TextMessage { Text = message.Content }
+        };
+
         var hooks = _services.GetServices<IConversationHook>().ToList();
         foreach (var hook in hooks)
         {
diff --git a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationStateService.cs b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationStateService.cs
index 1f0fe199..7004b929 100644
--- a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationStateService.cs
+++ b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationStateService.cs
@@ -28,6 +28,8 @@ public class ConversationStateService : IConversationStateService, IDisposable
         _states = new ConversationState();
     }
 
+    public string GetConversationId() => _conversationId;
+
     public IConversationStateService SetState<T>(string name, T value)
     {
         if (value == null)
diff --git a/src/Infrastructure/BotSharp.OpenAPI/Controllers/ConversationController.cs b/src/Infrastructure/BotSharp.OpenAPI/Controllers/ConversationController.cs
index 5fb5cd7c..80692bc9 100644
--- a/src/Infrastructure/BotSharp.OpenAPI/Controllers/ConversationController.cs
+++ b/src/Infrastructure/BotSharp.OpenAPI/Controllers/ConversationController.cs
@@ -12,7 +12,7 @@ public class ConversationController : ControllerBase, IApiAdapter
     private readonly IServiceProvider _services;
     private readonly IUserIdentity _user;
 
-    public ConversationController(IServiceProvider services, 
+    public ConversationController(IServiceProvider services,
         IUserIdentity user)
     {
         _services = services;
@@ -40,8 +40,8 @@ public class ConversationController : ControllerBase, IApiAdapter
     }
 
     [HttpPost("/conversation/{agentId}/{conversationId}")]
-    public async Task<MessageResponseModel> SendMessage([FromRoute] string agentId, 
-        [FromRoute] string conversationId, 
+    public async Task<MessageResponseModel> SendMessage([FromRoute] string agentId,
+        [FromRoute] string conversationId,
         [FromBody] NewMessageModel input)
     {
         var conv = _services.GetRequiredService<IConversationService>();
@@ -73,6 +73,7 @@ public class ConversationController : ControllerBase, IApiAdapter
         response.Data = inputMsg.Data;
         response.Function = inputMsg.FunctionName;
         response.Instruction = inputMsg.Instruction;
+        response.RichContent = inputMsg.RichContent;
 
         return response;
     }
diff --git a/src/Infrastructure/BotSharp.OpenAPI/ViewModels/Conversations/MessageResponseModel.cs b/src/Infrastructure/BotSharp.OpenAPI/ViewModels/Conversations/MessageResponseModel.cs
index 4dcf0c58..4fe7781c 100644
--- a/src/Infrastructure/BotSharp.OpenAPI/ViewModels/Conversations/MessageResponseModel.cs
+++ b/src/Infrastructure/BotSharp.OpenAPI/ViewModels/Conversations/MessageResponseModel.cs
@@ -1,6 +1,5 @@
 using BotSharp.Abstraction.Functions.Models;
 using BotSharp.Abstraction.Models;
-using BotSharp.Abstraction.Routing.Models;
 
 namespace BotSharp.OpenAPI.ViewModels.Conversations;
 
@@ -11,4 +10,5 @@ public class MessageResponseModel : ITrackableMessage
     public string Function { get; set; }
     public object Data { get; set; }
     public FunctionCallFromLlm Instruction { get; set; }
+    public object? RichContent { get; set; }
 }