diff --git a/src/Tizen.Multimedia.Remoting/MediaController/MediaControlCommand.cs b/src/Tizen.Multimedia.Remoting/MediaController/MediaControlCommand.cs
index 39ec1528bda..7c4f14cb3ae 100644
--- a/src/Tizen.Multimedia.Remoting/MediaController/MediaControlCommand.cs
+++ b/src/Tizen.Multimedia.Remoting/MediaController/MediaControlCommand.cs
@@ -17,6 +17,7 @@
 using Tizen.Applications;
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using NativeClient = Interop.MediaControllerClient;
 using NativeServer = Interop.MediaControllerServer;
 using NativeClientHandle = Interop.MediaControllerClientHandle;
@@ -59,10 +60,33 @@ internal void SetRequestInformation(string receiverId)
         /// <param name="requestId">The request Id for each command.</param>
         internal void SetResponseInformation(string receiverId, string requestId)
         {
-            ReceiverId = receiverId ?? throw new ArgumentNullException(nameof(receiverId)); ;
-            _requestId = requestId ?? throw new ArgumentNullException(nameof(requestId)); ;
+            ReceiverId = receiverId ?? throw new ArgumentNullException(nameof(receiverId));
+            _requestId = requestId;
+
+            if (_requestId == null)
+            {
+                Log.Info(GetType().FullName, "request_id is null. Response() should not be called.");
+            }
         }
 
+        /// <summary>
+        /// Indicates if the response is needed.
+        /// </summary>
+        /// <remarks>If false, the receiver should not respond to the received command.</remarks>
+        /// <since_tizen> 12 </since_tizen>
+        public bool IsResponseNeeded => NeedToResponse;
+
+        /// <summary>
+        /// Indicates if the response is needed.
+        /// </summary>
+        /// <remarks>
+        /// This internal API is retained for backward compatibility but is not recommended for new development.
+        /// Please use <see cref="IsResponseNeeded"/> instead.<br/>
+        /// If false, the receiver should not respond to the received command.
+        /// </remarks>
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public bool NeedToResponse => _requestId != null;
+
         /// <summary>
         /// Requests command to server.
         /// </summary>
@@ -83,13 +107,18 @@ internal void SetResponseInformation(string receiverId, string requestId)
         protected virtual void OnResponseCompleted() { }
 
         /// <summary>
-        /// Responses command to the client.
+        /// Responds to the clients command.
         /// </summary>
         /// <param name="serverHandle">The server handle.</param>
         /// <param name="result">The result of each command.</param>
         /// <param name="bundle">The extra data.</param>
         internal void Response(IntPtr serverHandle, int result, Bundle bundle)
         {
+            if (NeedToResponse == false)
+            {
+                throw new InvalidOperationException("The receiver should not call this, if NeedToResponse is false.");
+            }
+
             try
             {
                 if (bundle != null)
@@ -114,13 +143,18 @@ internal void Response(IntPtr serverHandle, int result, Bundle bundle)
         }
 
         /// <summary>
-        /// Responses command to the server.
+        /// Responds to the clients command.
         /// </summary>
         /// <param name="clientHandle">The client handle.</param>
         /// <param name="result">The result of each command.</param>
         /// <param name="bundle">The extra data.</param>
         internal void Response(NativeClientHandle clientHandle, int result, Bundle bundle)
         {
+            if (NeedToResponse == false)
+            {
+                throw new InvalidOperationException("The receiver should not call this, if NeedToResponse is false.");
+            }
+
             try
             {
                 if (bundle != null)
@@ -645,7 +679,7 @@ public SearchCommand(MediaControlSearchCondition condition)
             NativeClient.CreateSearchHandle(out _searchHandle).ThrowIfError("Failed to create search handle.");
 
             try
-            {   
+            {
                 if (condition.Bundle != null)
                 {
                     NativeClient.SetSearchConditionBundle(_searchHandle, condition.ContentType, condition.Category,
diff --git a/src/Tizen.Multimedia.Vision/MediaVision/DeepLearningFaceRecognizer.cs b/src/Tizen.Multimedia.Vision/MediaVision/DeepLearningFaceRecognizer.cs
index 2ee8b0e6a79..0cf02725a51 100755
--- a/src/Tizen.Multimedia.Vision/MediaVision/DeepLearningFaceRecognizer.cs
+++ b/src/Tizen.Multimedia.Vision/MediaVision/DeepLearningFaceRecognizer.cs
@@ -23,6 +23,10 @@ namespace Tizen.Multimedia.Vision
     /// <summary>
     /// Provides the ability to recognize face based on previously registered face data.
     /// </summary>
+    /// <feature>http://tizen.org/feature/vision.inference</feature>
+    /// <feature>http://tizen.org/feature/vision.inference.face_recognition</feature>
+    /// <feature>http://tizen.org/feature/vision.training</feature>
+    /// <feature>http://tizen.org/feature/vision.training.face_recognition</feature>
     /// <since_tizen> 10 </since_tizen>
     public class DeepLearningFaceRecognizer : IDisposable
     {
@@ -34,11 +38,13 @@ public class DeepLearningFaceRecognizer : IDisposable
         /// This class is different from <see cref="FaceRecognizer"/> in aspect of using internal machine learning algorithm.
         /// </remarks>
         /// <exception cref="NotSupportedException">The required features are not supported.</exception>
-        /// <feature>http://tizen.org/feature/vision.face_recognition</feature>
         /// <since_tizen> 10 </since_tizen>
         public DeepLearningFaceRecognizer()
         {
-            ValidationUtil.ValidateFeatureSupported(VisionFeatures.FaceRecognition);
+            ValidationUtil.ValidateFeatureSupported(VisionFeatures.Inference);
+            ValidationUtil.ValidateFeatureSupported(VisionFeatures.Training);
+            ValidationUtil.ValidateFeatureSupported(VisionFeatures.InferenceFaceRecognition);
+            ValidationUtil.ValidateFeatureSupported(VisionFeatures.TrainingFaceRecognition);
 
             InteropFace.Create(out _handle).Validate("Failed to create face recognizer");
 
diff --git a/src/Tizen.Multimedia.Vision/MediaVision/VisionFeatures.cs b/src/Tizen.Multimedia.Vision/MediaVision/VisionFeatures.cs
index 8780c7e48a3..da6bf66d64d 100755
--- a/src/Tizen.Multimedia.Vision/MediaVision/VisionFeatures.cs
+++ b/src/Tizen.Multimedia.Vision/MediaVision/VisionFeatures.cs
@@ -18,9 +18,15 @@ namespace Tizen.Multimedia
 {
     internal static class VisionFeatures
     {
-        internal const string RoiTracking = "http://tizen.org/feature/vision.roi_tracking";
-        internal const string InferenceFace = "http://tizen.org/feature/vision.inference.face";
-        internal const string InferenceImage = "http://tizen.org/feature/vision.inference.image";
-        internal const string FaceRecognition = "http://tizen.org/feature/vision.face_recognition";
+        internal const string RoiTracking       = "http://tizen.org/feature/vision.roi_tracking";
+        internal const string FaceRecognition   = "http://tizen.org/feature/vision.face_recognition";
+
+        internal const string Inference                 = "http://tizen.org/feature/vision.inference";
+        internal const string InferenceFace             = "http://tizen.org/feature/vision.inference.face";
+        internal const string InferenceFaceRecognition  = "http://tizen.org/feature/vision.inference.face_recognition";
+        internal const string InferenceImage            = "http://tizen.org/feature/vision.inference.image";
+
+        internal const string Training                  = "http://tizen.org/feature/vision.training";
+        internal const string TrainingFaceRecognition   = "http://tizen.org/feature/vision.training.face_recognition";
     }
 }