diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceClient.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceClient.cs
index ca42af3bd53a..6b143ded2bb9 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceClient.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceClient.cs
@@ -85,6 +85,19 @@ public partial class FaceClient : ServiceClient<FaceClient>, IFaceClient
         /// </summary>
         public virtual ILargeFaceListOperations LargeFaceList { get; private set; }
 
+        /// <summary>
+        /// Initializes a new instance of the FaceClient class.
+        /// </summary>
+        /// <param name='httpClient'>
+        /// HttpClient to be used
+        /// </param>
+        /// <param name='disposeHttpClient'>
+        /// True: will dispose the provided httpClient on calling FaceClient.Dispose(). False: will not dispose provided httpClient</param>
+        protected FaceClient(HttpClient httpClient, bool disposeHttpClient) : base(httpClient, disposeHttpClient)
+        {
+            Initialize();
+        }
+
         /// <summary>
         /// Initializes a new instance of the FaceClient class.
         /// </summary>
@@ -135,6 +148,33 @@ public FaceClient(ServiceClientCredentials credentials, params DelegatingHandler
             }
         }
 
+        /// <summary>
+        /// Initializes a new instance of the FaceClient class.
+        /// </summary>
+        /// <param name='credentials'>
+        /// Required. Subscription credentials which uniquely identify client subscription.
+        /// </param>
+        /// <param name='httpClient'>
+        /// HttpClient to be used
+        /// </param>
+        /// <param name='disposeHttpClient'>
+        /// True: will dispose the provided httpClient on calling FaceClient.Dispose(). False: will not dispose provided httpClient</param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        public FaceClient(ServiceClientCredentials credentials, HttpClient httpClient, bool disposeHttpClient) : this(httpClient, disposeHttpClient)
+        {
+            if (credentials == null)
+            {
+                throw new System.ArgumentNullException("credentials");
+            }
+            Credentials = credentials;
+            if (Credentials != null)
+            {
+                Credentials.InitializeServiceClient(this);
+            }
+        }
+
         /// <summary>
         /// Initializes a new instance of the FaceClient class.
         /// </summary>
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceListOperations.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceListOperations.cs
index 19040fc0afe5..bfe39d8f5987 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceListOperations.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceListOperations.cs
@@ -63,6 +63,8 @@ public FaceListOperations(FaceClient client)
         /// <param name='userData'>
         /// User specified data. Length should not exceed 16KB.
         /// </param>
+        /// <param name='recognitionModel'>
+        /// </param>
         /// <param name='customHeaders'>
         /// Headers that will be added to request.
         /// </param>
@@ -81,7 +83,7 @@ public FaceListOperations(FaceClient client)
         /// <return>
         /// A response object containing the response body and response headers.
         /// </return>
-        public async Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string faceListId, string name = default(string), string userData = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        public async Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string faceListId, string name = default(string), string userData = default(string), string recognitionModel = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
         {
             if (Client.Endpoint == null)
             {
@@ -116,11 +118,12 @@ public FaceListOperations(FaceClient client)
                     throw new ValidationException(ValidationRules.MaxLength, "userData", 16384);
                 }
             }
-            NameAndUserDataContract body = new NameAndUserDataContract();
-            if (name != null || userData != null)
+            MetaDataContract body = new MetaDataContract();
+            if (name != null || userData != null || recognitionModel != null)
             {
                 body.Name = name;
                 body.UserData = userData;
+                body.RecognitionModel = recognitionModel;
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceListOperationsExtensions.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceListOperationsExtensions.cs
index 903936b3faed..375a94566605 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceListOperationsExtensions.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceListOperationsExtensions.cs
@@ -38,12 +38,14 @@ public static partial class FaceListOperationsExtensions
             /// <param name='userData'>
             /// User specified data. Length should not exceed 16KB.
             /// </param>
+            /// <param name='recognitionModel'>
+            /// </param>
             /// <param name='cancellationToken'>
             /// The cancellation token.
             /// </param>
-            public static async Task CreateAsync(this IFaceListOperations operations, string faceListId, string name = default(string), string userData = default(string), CancellationToken cancellationToken = default(CancellationToken))
+            public static async Task CreateAsync(this IFaceListOperations operations, string faceListId, string name = default(string), string userData = default(string), string recognitionModel = default(string), CancellationToken cancellationToken = default(CancellationToken))
             {
-                (await operations.CreateWithHttpMessagesAsync(faceListId, name, userData, null, cancellationToken).ConfigureAwait(false)).Dispose();
+                (await operations.CreateWithHttpMessagesAsync(faceListId, name, userData, recognitionModel, null, cancellationToken).ConfigureAwait(false)).Dispose();
             }
 
             /// <summary>
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceOperations.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceOperations.cs
index deadae9b7861..2a9ea6f20a0b 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceOperations.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceOperations.cs
@@ -858,6 +858,9 @@ public FaceOperations(FaceClient client)
         /// and emotion. Note that each face attribute analysis has additional
         /// computational and time cost.
         /// </param>
+        /// <param name='recognitionModel'>
+        /// Recognition model name, maximum length is 128.
+        /// </param>
         /// <param name='customHeaders'>
         /// Headers that will be added to request.
         /// </param>
@@ -879,12 +882,19 @@ public FaceOperations(FaceClient client)
         /// <return>
         /// A response object containing the response body and response headers.
         /// </return>
-        public async Task<HttpOperationResponse<IList<DetectedFace>>> DetectWithUrlWithHttpMessagesAsync(string url, bool? returnFaceId = true, bool? returnFaceLandmarks = false, IList<FaceAttributeType> returnFaceAttributes = default(IList<FaceAttributeType>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        public async Task<HttpOperationResponse<IList<DetectedFace>>> DetectWithUrlWithHttpMessagesAsync(string url, bool? returnFaceId = true, bool? returnFaceLandmarks = false, IList<FaceAttributeType> returnFaceAttributes = default(IList<FaceAttributeType>), string recognitionModel = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
         {
             if (Client.Endpoint == null)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.Endpoint");
             }
+            if (recognitionModel != null)
+            {
+                if (recognitionModel.Length > 128)
+                {
+                    throw new ValidationException(ValidationRules.MaxLength, "recognitionModel", 128);
+                }
+            }
             if (url == null)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "url");
@@ -904,6 +914,7 @@ public FaceOperations(FaceClient client)
                 tracingParameters.Add("returnFaceId", returnFaceId);
                 tracingParameters.Add("returnFaceLandmarks", returnFaceLandmarks);
                 tracingParameters.Add("returnFaceAttributes", returnFaceAttributes);
+                tracingParameters.Add("recognitionModel", recognitionModel);
                 tracingParameters.Add("imageUrl", imageUrl);
                 tracingParameters.Add("cancellationToken", cancellationToken);
                 ServiceClientTracing.Enter(_invocationId, this, "DetectWithUrl", tracingParameters);
@@ -925,6 +936,10 @@ public FaceOperations(FaceClient client)
             {
                 _queryParameters.Add(string.Format("returnFaceAttributes={0}", System.Uri.EscapeDataString(string.Join(",", returnFaceAttributes))));
             }
+            if (recognitionModel != null)
+            {
+                _queryParameters.Add(string.Format("RecognitionModel={0}", System.Uri.EscapeDataString(recognitionModel)));
+            }
             if (_queryParameters.Count > 0)
             {
                 _url += "?" + string.Join("&", _queryParameters);
@@ -1259,6 +1274,9 @@ public FaceOperations(FaceClient client)
         /// and emotion. Note that each face attribute analysis has additional
         /// computational and time cost.
         /// </param>
+        /// <param name='recognitionModel'>
+        /// Recognition model name, maximum length is 128.
+        /// </param>
         /// <param name='customHeaders'>
         /// Headers that will be added to request.
         /// </param>
@@ -1280,7 +1298,7 @@ public FaceOperations(FaceClient client)
         /// <return>
         /// A response object containing the response body and response headers.
         /// </return>
-        public async Task<HttpOperationResponse<IList<DetectedFace>>> DetectWithStreamWithHttpMessagesAsync(Stream image, bool? returnFaceId = true, bool? returnFaceLandmarks = false, IList<FaceAttributeType> returnFaceAttributes = default(IList<FaceAttributeType>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        public async Task<HttpOperationResponse<IList<DetectedFace>>> DetectWithStreamWithHttpMessagesAsync(Stream image, bool? returnFaceId = true, bool? returnFaceLandmarks = false, IList<FaceAttributeType> returnFaceAttributes = default(IList<FaceAttributeType>), string recognitionModel = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
         {
             if (Client.Endpoint == null)
             {
@@ -1290,6 +1308,13 @@ public FaceOperations(FaceClient client)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "image");
             }
+            if (recognitionModel != null)
+            {
+                if (recognitionModel.Length > 128)
+                {
+                    throw new ValidationException(ValidationRules.MaxLength, "recognitionModel", 128);
+                }
+            }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
             string _invocationId = null;
@@ -1301,6 +1326,7 @@ public FaceOperations(FaceClient client)
                 tracingParameters.Add("returnFaceLandmarks", returnFaceLandmarks);
                 tracingParameters.Add("returnFaceAttributes", returnFaceAttributes);
                 tracingParameters.Add("image", image);
+                tracingParameters.Add("recognitionModel", recognitionModel);
                 tracingParameters.Add("cancellationToken", cancellationToken);
                 ServiceClientTracing.Enter(_invocationId, this, "DetectWithStream", tracingParameters);
             }
@@ -1321,6 +1347,10 @@ public FaceOperations(FaceClient client)
             {
                 _queryParameters.Add(string.Format("returnFaceAttributes={0}", System.Uri.EscapeDataString(string.Join(",", returnFaceAttributes))));
             }
+            if (recognitionModel != null)
+            {
+                _queryParameters.Add(string.Format("RecognitionModel={0}", System.Uri.EscapeDataString(recognitionModel)));
+            }
             if (_queryParameters.Count > 0)
             {
                 _url += "?" + string.Join("&", _queryParameters);
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceOperationsExtensions.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceOperationsExtensions.cs
index 5a18f84990da..241722a6586e 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceOperationsExtensions.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/FaceOperationsExtensions.cs
@@ -181,12 +181,15 @@ public static partial class FaceOperationsExtensions
             /// and emotion. Note that each face attribute analysis has additional
             /// computational and time cost.
             /// </param>
+            /// <param name='recognitionModel'>
+            /// Recognition model name, maximum length is 128.
+            /// </param>
             /// <param name='cancellationToken'>
             /// The cancellation token.
             /// </param>
-            public static async Task<IList<DetectedFace>> DetectWithUrlAsync(this IFaceOperations operations, string url, bool? returnFaceId = true, bool? returnFaceLandmarks = false, IList<FaceAttributeType> returnFaceAttributes = default(IList<FaceAttributeType>), CancellationToken cancellationToken = default(CancellationToken))
+            public static async Task<IList<DetectedFace>> DetectWithUrlAsync(this IFaceOperations operations, string url, bool? returnFaceId = true, bool? returnFaceLandmarks = false, IList<FaceAttributeType> returnFaceAttributes = default(IList<FaceAttributeType>), string recognitionModel = default(string), CancellationToken cancellationToken = default(CancellationToken))
             {
-                using (var _result = await operations.DetectWithUrlWithHttpMessagesAsync(url, returnFaceId, returnFaceLandmarks, returnFaceAttributes, null, cancellationToken).ConfigureAwait(false))
+                using (var _result = await operations.DetectWithUrlWithHttpMessagesAsync(url, returnFaceId, returnFaceLandmarks, returnFaceAttributes, recognitionModel, null, cancellationToken).ConfigureAwait(false))
                 {
                     return _result.Body;
                 }
@@ -255,12 +258,15 @@ public static partial class FaceOperationsExtensions
             /// and emotion. Note that each face attribute analysis has additional
             /// computational and time cost.
             /// </param>
+            /// <param name='recognitionModel'>
+            /// Recognition model name, maximum length is 128.
+            /// </param>
             /// <param name='cancellationToken'>
             /// The cancellation token.
             /// </param>
-            public static async Task<IList<DetectedFace>> DetectWithStreamAsync(this IFaceOperations operations, Stream image, bool? returnFaceId = true, bool? returnFaceLandmarks = false, IList<FaceAttributeType> returnFaceAttributes = default(IList<FaceAttributeType>), CancellationToken cancellationToken = default(CancellationToken))
+            public static async Task<IList<DetectedFace>> DetectWithStreamAsync(this IFaceOperations operations, Stream image, bool? returnFaceId = true, bool? returnFaceLandmarks = false, IList<FaceAttributeType> returnFaceAttributes = default(IList<FaceAttributeType>), string recognitionModel = default(string), CancellationToken cancellationToken = default(CancellationToken))
             {
-                using (var _result = await operations.DetectWithStreamWithHttpMessagesAsync(image, returnFaceId, returnFaceLandmarks, returnFaceAttributes, null, cancellationToken).ConfigureAwait(false))
+                using (var _result = await operations.DetectWithStreamWithHttpMessagesAsync(image, returnFaceId, returnFaceLandmarks, returnFaceAttributes, recognitionModel, null, cancellationToken).ConfigureAwait(false))
                 {
                     return _result.Body;
                 }
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/IFaceListOperations.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/IFaceListOperations.cs
index 1ed9a3f60022..2704c66df48c 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/IFaceListOperations.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/IFaceListOperations.cs
@@ -36,6 +36,8 @@ public partial interface IFaceListOperations
         /// <param name='userData'>
         /// User specified data. Length should not exceed 16KB.
         /// </param>
+        /// <param name='recognitionModel'>
+        /// </param>
         /// <param name='customHeaders'>
         /// The headers that will be added to request.
         /// </param>
@@ -48,7 +50,7 @@ public partial interface IFaceListOperations
         /// <exception cref="Microsoft.Rest.ValidationException">
         /// Thrown when a required parameter is null
         /// </exception>
-        Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string faceListId, string name = default(string), string userData = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string faceListId, string name = default(string), string userData = default(string), string recognitionModel = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
         /// <summary>
         /// Retrieve a face list's information.
         /// </summary>
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/IFaceOperations.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/IFaceOperations.cs
index 23a7f84c98b1..028dd9e5d534 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/IFaceOperations.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/IFaceOperations.cs
@@ -193,6 +193,9 @@ public partial interface IFaceOperations
         /// facialHair, glasses and emotion. Note that each face attribute
         /// analysis has additional computational and time cost.
         /// </param>
+        /// <param name='recognitionModel'>
+        /// Recognition model name, maximum length is 128.
+        /// </param>
         /// <param name='customHeaders'>
         /// The headers that will be added to request.
         /// </param>
@@ -208,7 +211,7 @@ public partial interface IFaceOperations
         /// <exception cref="Microsoft.Rest.ValidationException">
         /// Thrown when a required parameter is null
         /// </exception>
-        Task<HttpOperationResponse<IList<DetectedFace>>> DetectWithUrlWithHttpMessagesAsync(string url, bool? returnFaceId = true, bool? returnFaceLandmarks = false, IList<FaceAttributeType> returnFaceAttributes = default(IList<FaceAttributeType>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        Task<HttpOperationResponse<IList<DetectedFace>>> DetectWithUrlWithHttpMessagesAsync(string url, bool? returnFaceId = true, bool? returnFaceLandmarks = false, IList<FaceAttributeType> returnFaceAttributes = default(IList<FaceAttributeType>), string recognitionModel = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
         /// <summary>
         /// Verify whether two faces belong to a same person. Compares a face
         /// Id with a Person Id
@@ -271,6 +274,9 @@ public partial interface IFaceOperations
         /// facialHair, glasses and emotion. Note that each face attribute
         /// analysis has additional computational and time cost.
         /// </param>
+        /// <param name='recognitionModel'>
+        /// Recognition model name, maximum length is 128.
+        /// </param>
         /// <param name='customHeaders'>
         /// The headers that will be added to request.
         /// </param>
@@ -286,6 +292,6 @@ public partial interface IFaceOperations
         /// <exception cref="Microsoft.Rest.ValidationException">
         /// Thrown when a required parameter is null
         /// </exception>
-        Task<HttpOperationResponse<IList<DetectedFace>>> DetectWithStreamWithHttpMessagesAsync(Stream image, bool? returnFaceId = true, bool? returnFaceLandmarks = false, IList<FaceAttributeType> returnFaceAttributes = default(IList<FaceAttributeType>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        Task<HttpOperationResponse<IList<DetectedFace>>> DetectWithStreamWithHttpMessagesAsync(Stream image, bool? returnFaceId = true, bool? returnFaceLandmarks = false, IList<FaceAttributeType> returnFaceAttributes = default(IList<FaceAttributeType>), string recognitionModel = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
     }
 }
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/ILargeFaceListOperations.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/ILargeFaceListOperations.cs
index 50237ea1d3a3..43a87fcb8b95 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/ILargeFaceListOperations.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/ILargeFaceListOperations.cs
@@ -36,6 +36,8 @@ public partial interface ILargeFaceListOperations
         /// <param name='userData'>
         /// User specified data. Length should not exceed 16KB.
         /// </param>
+        /// <param name='recognitionModel'>
+        /// </param>
         /// <param name='customHeaders'>
         /// The headers that will be added to request.
         /// </param>
@@ -48,7 +50,7 @@ public partial interface ILargeFaceListOperations
         /// <exception cref="Microsoft.Rest.ValidationException">
         /// Thrown when a required parameter is null
         /// </exception>
-        Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string largeFaceListId, string name = default(string), string userData = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string largeFaceListId, string name = default(string), string userData = default(string), string recognitionModel = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
         /// <summary>
         /// Retrieve a large face list's information.
         /// </summary>
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/ILargePersonGroupOperations.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/ILargePersonGroupOperations.cs
index 1dc0e72f7309..787eb37b7326 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/ILargePersonGroupOperations.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/ILargePersonGroupOperations.cs
@@ -35,6 +35,8 @@ public partial interface ILargePersonGroupOperations
         /// <param name='userData'>
         /// User specified data. Length should not exceed 16KB.
         /// </param>
+        /// <param name='recognitionModel'>
+        /// </param>
         /// <param name='customHeaders'>
         /// The headers that will be added to request.
         /// </param>
@@ -47,7 +49,7 @@ public partial interface ILargePersonGroupOperations
         /// <exception cref="Microsoft.Rest.ValidationException">
         /// Thrown when a required parameter is null
         /// </exception>
-        Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string largePersonGroupId, string name = default(string), string userData = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string largePersonGroupId, string name = default(string), string userData = default(string), string recognitionModel = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
         /// <summary>
         /// Delete an existing large person group. Persisted face features of
         /// all people in the large person group will also be deleted.
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/IPersonGroupOperations.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/IPersonGroupOperations.cs
index 0fef02f6a473..86e2921a3e7b 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/IPersonGroupOperations.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/IPersonGroupOperations.cs
@@ -35,6 +35,8 @@ public partial interface IPersonGroupOperations
         /// <param name='userData'>
         /// User specified data. Length should not exceed 16KB.
         /// </param>
+        /// <param name='recognitionModel'>
+        /// </param>
         /// <param name='customHeaders'>
         /// The headers that will be added to request.
         /// </param>
@@ -47,7 +49,7 @@ public partial interface IPersonGroupOperations
         /// <exception cref="Microsoft.Rest.ValidationException">
         /// Thrown when a required parameter is null
         /// </exception>
-        Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string personGroupId, string name = default(string), string userData = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string personGroupId, string name = default(string), string userData = default(string), string recognitionModel = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
         /// <summary>
         /// Delete an existing person group. Persisted face features of all
         /// people in the person group will also be deleted.
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargeFaceListOperations.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargeFaceListOperations.cs
index 239606d35cc0..6168cdb0f11c 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargeFaceListOperations.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargeFaceListOperations.cs
@@ -63,6 +63,8 @@ public LargeFaceListOperations(FaceClient client)
         /// <param name='userData'>
         /// User specified data. Length should not exceed 16KB.
         /// </param>
+        /// <param name='recognitionModel'>
+        /// </param>
         /// <param name='customHeaders'>
         /// Headers that will be added to request.
         /// </param>
@@ -81,7 +83,7 @@ public LargeFaceListOperations(FaceClient client)
         /// <return>
         /// A response object containing the response body and response headers.
         /// </return>
-        public async Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string largeFaceListId, string name = default(string), string userData = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        public async Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string largeFaceListId, string name = default(string), string userData = default(string), string recognitionModel = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
         {
             if (Client.Endpoint == null)
             {
@@ -116,11 +118,12 @@ public LargeFaceListOperations(FaceClient client)
                     throw new ValidationException(ValidationRules.MaxLength, "userData", 16384);
                 }
             }
-            NameAndUserDataContract body = new NameAndUserDataContract();
-            if (name != null || userData != null)
+            MetaDataContract body = new MetaDataContract();
+            if (name != null || userData != null || recognitionModel != null)
             {
                 body.Name = name;
                 body.UserData = userData;
+                body.RecognitionModel = recognitionModel;
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargeFaceListOperationsExtensions.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargeFaceListOperationsExtensions.cs
index f48952c1f777..a012bf53e8ee 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargeFaceListOperationsExtensions.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargeFaceListOperationsExtensions.cs
@@ -38,12 +38,14 @@ public static partial class LargeFaceListOperationsExtensions
             /// <param name='userData'>
             /// User specified data. Length should not exceed 16KB.
             /// </param>
+            /// <param name='recognitionModel'>
+            /// </param>
             /// <param name='cancellationToken'>
             /// The cancellation token.
             /// </param>
-            public static async Task CreateAsync(this ILargeFaceListOperations operations, string largeFaceListId, string name = default(string), string userData = default(string), CancellationToken cancellationToken = default(CancellationToken))
+            public static async Task CreateAsync(this ILargeFaceListOperations operations, string largeFaceListId, string name = default(string), string userData = default(string), string recognitionModel = default(string), CancellationToken cancellationToken = default(CancellationToken))
             {
-                (await operations.CreateWithHttpMessagesAsync(largeFaceListId, name, userData, null, cancellationToken).ConfigureAwait(false)).Dispose();
+                (await operations.CreateWithHttpMessagesAsync(largeFaceListId, name, userData, recognitionModel, null, cancellationToken).ConfigureAwait(false)).Dispose();
             }
 
             /// <summary>
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargePersonGroupOperations.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargePersonGroupOperations.cs
index 97ebad890187..03f785e6dab8 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargePersonGroupOperations.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargePersonGroupOperations.cs
@@ -63,6 +63,8 @@ public LargePersonGroupOperations(FaceClient client)
         /// <param name='userData'>
         /// User specified data. Length should not exceed 16KB.
         /// </param>
+        /// <param name='recognitionModel'>
+        /// </param>
         /// <param name='customHeaders'>
         /// Headers that will be added to request.
         /// </param>
@@ -81,7 +83,7 @@ public LargePersonGroupOperations(FaceClient client)
         /// <return>
         /// A response object containing the response body and response headers.
         /// </return>
-        public async Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string largePersonGroupId, string name = default(string), string userData = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        public async Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string largePersonGroupId, string name = default(string), string userData = default(string), string recognitionModel = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
         {
             if (Client.Endpoint == null)
             {
@@ -116,11 +118,12 @@ public LargePersonGroupOperations(FaceClient client)
                     throw new ValidationException(ValidationRules.MaxLength, "userData", 16384);
                 }
             }
-            NameAndUserDataContract body = new NameAndUserDataContract();
-            if (name != null || userData != null)
+            MetaDataContract body = new MetaDataContract();
+            if (name != null || userData != null || recognitionModel != null)
             {
                 body.Name = name;
                 body.UserData = userData;
+                body.RecognitionModel = recognitionModel;
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargePersonGroupOperationsExtensions.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargePersonGroupOperationsExtensions.cs
index e22c33ea2f77..00fc52f12140 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargePersonGroupOperationsExtensions.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/LargePersonGroupOperationsExtensions.cs
@@ -37,12 +37,14 @@ public static partial class LargePersonGroupOperationsExtensions
             /// <param name='userData'>
             /// User specified data. Length should not exceed 16KB.
             /// </param>
+            /// <param name='recognitionModel'>
+            /// </param>
             /// <param name='cancellationToken'>
             /// The cancellation token.
             /// </param>
-            public static async Task CreateAsync(this ILargePersonGroupOperations operations, string largePersonGroupId, string name = default(string), string userData = default(string), CancellationToken cancellationToken = default(CancellationToken))
+            public static async Task CreateAsync(this ILargePersonGroupOperations operations, string largePersonGroupId, string name = default(string), string userData = default(string), string recognitionModel = default(string), CancellationToken cancellationToken = default(CancellationToken))
             {
-                (await operations.CreateWithHttpMessagesAsync(largePersonGroupId, name, userData, null, cancellationToken).ConfigureAwait(false)).Dispose();
+                (await operations.CreateWithHttpMessagesAsync(largePersonGroupId, name, userData, recognitionModel, null, cancellationToken).ConfigureAwait(false)).Dispose();
             }
 
             /// <summary>
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/DetectedFace.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/DetectedFace.cs
index 2d64fce0d116..4775f2905655 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/DetectedFace.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/DetectedFace.cs
@@ -30,9 +30,10 @@ public DetectedFace()
         /// <summary>
         /// Initializes a new instance of the DetectedFace class.
         /// </summary>
-        public DetectedFace(FaceRectangle faceRectangle, System.Guid? faceId = default(System.Guid?), FaceLandmarks faceLandmarks = default(FaceLandmarks), FaceAttributes faceAttributes = default(FaceAttributes))
+        public DetectedFace(string recognitionModel, FaceRectangle faceRectangle, System.Guid? faceId = default(System.Guid?), FaceLandmarks faceLandmarks = default(FaceLandmarks), FaceAttributes faceAttributes = default(FaceAttributes))
         {
             FaceId = faceId;
+            RecognitionModel = recognitionModel;
             FaceRectangle = faceRectangle;
             FaceLandmarks = faceLandmarks;
             FaceAttributes = faceAttributes;
@@ -49,6 +50,11 @@ public DetectedFace()
         [JsonProperty(PropertyName = "faceId")]
         public System.Guid? FaceId { get; set; }
 
+        /// <summary>
+        /// </summary>
+        [JsonProperty(PropertyName = "RecognitionModel")]
+        public string RecognitionModel { get; set; }
+
         /// <summary>
         /// </summary>
         [JsonProperty(PropertyName = "faceRectangle")]
@@ -72,6 +78,10 @@ public DetectedFace()
         /// </exception>
         public virtual void Validate()
         {
+            if (RecognitionModel == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "RecognitionModel");
+            }
             if (FaceRectangle == null)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "FaceRectangle");
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/FaceList.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/FaceList.cs
index 8b4dc1030a00..fda9c92ef6b2 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/FaceList.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/FaceList.cs
@@ -19,7 +19,7 @@ namespace Microsoft.Azure.CognitiveServices.Vision.Face.Models
     /// <summary>
     /// Face list object.
     /// </summary>
-    public partial class FaceList : NameAndUserDataContract
+    public partial class FaceList : MetaDataContract
     {
         /// <summary>
         /// Initializes a new instance of the FaceList class.
@@ -40,8 +40,8 @@ public FaceList()
         /// exceed 16KB.</param>
         /// <param name="persistedFaces">Persisted faces within the face
         /// list.</param>
-        public FaceList(string faceListId, string name = default(string), string userData = default(string), IList<PersistedFace> persistedFaces = default(IList<PersistedFace>))
-            : base(name, userData)
+        public FaceList(string faceListId, string name = default(string), string userData = default(string), string recognitionModel = default(string), IList<PersistedFace> persistedFaces = default(IList<PersistedFace>))
+            : base(name, userData, recognitionModel)
         {
             FaceListId = faceListId;
             PersistedFaces = persistedFaces;
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/LargeFaceList.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/LargeFaceList.cs
index d5c6da592b97..08ed554a2044 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/LargeFaceList.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/LargeFaceList.cs
@@ -17,7 +17,7 @@ namespace Microsoft.Azure.CognitiveServices.Vision.Face.Models
     /// <summary>
     /// Large face list object.
     /// </summary>
-    public partial class LargeFaceList : NameAndUserDataContract
+    public partial class LargeFaceList : MetaDataContract
     {
         /// <summary>
         /// Initializes a new instance of the LargeFaceList class.
@@ -36,8 +36,8 @@ public LargeFaceList()
         /// 128.</param>
         /// <param name="userData">User specified data. Length should not
         /// exceed 16KB.</param>
-        public LargeFaceList(string largeFaceListId, string name = default(string), string userData = default(string))
-            : base(name, userData)
+        public LargeFaceList(string largeFaceListId, string name = default(string), string userData = default(string), string recognitionModel = default(string))
+            : base(name, userData, recognitionModel)
         {
             LargeFaceListId = largeFaceListId;
             CustomInit();
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/LargePersonGroup.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/LargePersonGroup.cs
index 18d800d5d556..ea5e45e0e26f 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/LargePersonGroup.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/LargePersonGroup.cs
@@ -17,7 +17,7 @@ namespace Microsoft.Azure.CognitiveServices.Vision.Face.Models
     /// <summary>
     /// Large person group object.
     /// </summary>
-    public partial class LargePersonGroup : NameAndUserDataContract
+    public partial class LargePersonGroup : MetaDataContract
     {
         /// <summary>
         /// Initializes a new instance of the LargePersonGroup class.
@@ -36,8 +36,8 @@ public LargePersonGroup()
         /// 128.</param>
         /// <param name="userData">User specified data. Length should not
         /// exceed 16KB.</param>
-        public LargePersonGroup(string largePersonGroupId, string name = default(string), string userData = default(string))
-            : base(name, userData)
+        public LargePersonGroup(string largePersonGroupId, string name = default(string), string userData = default(string), string recognitionModel = default(string))
+            : base(name, userData, recognitionModel)
         {
             LargePersonGroupId = largePersonGroupId;
             CustomInit();
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/MetaDataContract.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/MetaDataContract.cs
new file mode 100644
index 000000000000..bd15c13b38b1
--- /dev/null
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/MetaDataContract.cs
@@ -0,0 +1,66 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.CognitiveServices.Vision.Face.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// A combination of user defined name and user specified data and
+    /// recognition model name for largePersonGroup/personGroup, and
+    /// largeFaceList/faceList.
+    /// </summary>
+    public partial class MetaDataContract : NameAndUserDataContract
+    {
+        /// <summary>
+        /// Initializes a new instance of the MetaDataContract class.
+        /// </summary>
+        public MetaDataContract()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the MetaDataContract class.
+        /// </summary>
+        /// <param name="name">User defined name, maximum length is
+        /// 128.</param>
+        /// <param name="userData">User specified data. Length should not
+        /// exceed 16KB.</param>
+        public MetaDataContract(string name = default(string), string userData = default(string), string recognitionModel = default(string))
+            : base(name, userData)
+        {
+            RecognitionModel = recognitionModel;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// </summary>
+        [JsonProperty(PropertyName = "RecognitionModel")]
+        public string RecognitionModel { get; set; }
+
+        /// <summary>
+        /// Validate the object.
+        /// </summary>
+        /// <exception cref="Rest.ValidationException">
+        /// Thrown if validation fails
+        /// </exception>
+        public override void Validate()
+        {
+            base.Validate();
+        }
+    }
+}
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/PersonGroup.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/PersonGroup.cs
index 7794e32f2bdb..61d2500d5a05 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/PersonGroup.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/Models/PersonGroup.cs
@@ -17,7 +17,7 @@ namespace Microsoft.Azure.CognitiveServices.Vision.Face.Models
     /// <summary>
     /// Person group object.
     /// </summary>
-    public partial class PersonGroup : NameAndUserDataContract
+    public partial class PersonGroup : MetaDataContract
     {
         /// <summary>
         /// Initializes a new instance of the PersonGroup class.
@@ -36,8 +36,8 @@ public PersonGroup()
         /// 128.</param>
         /// <param name="userData">User specified data. Length should not
         /// exceed 16KB.</param>
-        public PersonGroup(string personGroupId, string name = default(string), string userData = default(string))
-            : base(name, userData)
+        public PersonGroup(string personGroupId, string name = default(string), string userData = default(string), string recognitionModel = default(string))
+            : base(name, userData, recognitionModel)
         {
             PersonGroupId = personGroupId;
             CustomInit();
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/PersonGroupOperations.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/PersonGroupOperations.cs
index 1f6a387a086e..8fa0f9b0212f 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/PersonGroupOperations.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/PersonGroupOperations.cs
@@ -63,6 +63,8 @@ public PersonGroupOperations(FaceClient client)
         /// <param name='userData'>
         /// User specified data. Length should not exceed 16KB.
         /// </param>
+        /// <param name='recognitionModel'>
+        /// </param>
         /// <param name='customHeaders'>
         /// Headers that will be added to request.
         /// </param>
@@ -81,7 +83,7 @@ public PersonGroupOperations(FaceClient client)
         /// <return>
         /// A response object containing the response body and response headers.
         /// </return>
-        public async Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string personGroupId, string name = default(string), string userData = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        public async Task<HttpOperationResponse> CreateWithHttpMessagesAsync(string personGroupId, string name = default(string), string userData = default(string), string recognitionModel = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
         {
             if (Client.Endpoint == null)
             {
@@ -116,11 +118,12 @@ public PersonGroupOperations(FaceClient client)
                     throw new ValidationException(ValidationRules.MaxLength, "userData", 16384);
                 }
             }
-            NameAndUserDataContract body = new NameAndUserDataContract();
-            if (name != null || userData != null)
+            MetaDataContract body = new MetaDataContract();
+            if (name != null || userData != null || recognitionModel != null)
             {
                 body.Name = name;
                 body.UserData = userData;
+                body.RecognitionModel = recognitionModel;
             }
             // Tracing
             bool _shouldTrace = ServiceClientTracing.IsEnabled;
diff --git a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/PersonGroupOperationsExtensions.cs b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/PersonGroupOperationsExtensions.cs
index 728e30fa9e28..60a0bbf61e4c 100644
--- a/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/PersonGroupOperationsExtensions.cs
+++ b/src/SDKs/CognitiveServices/dataPlane/Vision/Face/Face/Generated/PersonGroupOperationsExtensions.cs
@@ -37,12 +37,14 @@ public static partial class PersonGroupOperationsExtensions
             /// <param name='userData'>
             /// User specified data. Length should not exceed 16KB.
             /// </param>
+            /// <param name='recognitionModel'>
+            /// </param>
             /// <param name='cancellationToken'>
             /// The cancellation token.
             /// </param>
-            public static async Task CreateAsync(this IPersonGroupOperations operations, string personGroupId, string name = default(string), string userData = default(string), CancellationToken cancellationToken = default(CancellationToken))
+            public static async Task CreateAsync(this IPersonGroupOperations operations, string personGroupId, string name = default(string), string userData = default(string), string recognitionModel = default(string), CancellationToken cancellationToken = default(CancellationToken))
             {
-                (await operations.CreateWithHttpMessagesAsync(personGroupId, name, userData, null, cancellationToken).ConfigureAwait(false)).Dispose();
+                (await operations.CreateWithHttpMessagesAsync(personGroupId, name, userData, recognitionModel, null, cancellationToken).ConfigureAwait(false)).Dispose();
             }
 
             /// <summary>