diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/INamespacesOperations.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/INamespacesOperations.cs
index ded99f2b0d7b..c34fd7fa4506 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/INamespacesOperations.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/INamespacesOperations.cs
@@ -164,7 +164,7 @@ public partial interface INamespacesOperations
         /// The namespace name.
         /// </param>
         /// <param name='authorizationRuleName'>
-        /// Aauthorization Rule Name.
+        /// Authorization Rule Name.
         /// </param>
         /// <param name='parameters'>
         /// The shared access authorization rule.
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/INotificationHubsManagementClient.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/INotificationHubsManagementClient.cs
index 192bfee7ad41..3ddd10078b42 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/INotificationHubsManagementClient.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/INotificationHubsManagementClient.cs
@@ -53,19 +53,20 @@ public partial interface INotificationHubsManagementClient : System.IDisposable
         string ApiVersion { get; }
 
         /// <summary>
-        /// Gets or sets the preferred language for the response.
+        /// The preferred language for the response.
         /// </summary>
         string AcceptLanguage { get; set; }
 
         /// <summary>
-        /// Gets or sets the retry timeout in seconds for Long Running
-        /// Operations. Default value is 30.
+        /// The retry timeout in seconds for Long Running Operations. Default
+        /// value is 30.
         /// </summary>
         int? LongRunningOperationRetryTimeout { get; set; }
 
         /// <summary>
-        /// When set to true a unique x-ms-client-request-id value is generated
-        /// and included in each request. Default is true.
+        /// Whether a unique x-ms-client-request-id should be generated. When
+        /// set to true a unique x-ms-client-request-id value is generated and
+        /// included in each request. Default is true.
         /// </summary>
         bool? GenerateClientRequestId { get; set; }
 
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/INotificationHubsOperations.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/INotificationHubsOperations.cs
index e6e7b808df44..ec3301c86e33 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/INotificationHubsOperations.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/INotificationHubsOperations.cs
@@ -85,6 +85,37 @@ public partial interface INotificationHubsOperations
         /// </exception>
         Task<AzureOperationResponse<NotificationHubResource>> CreateOrUpdateWithHttpMessagesAsync(string resourceGroupName, string namespaceName, string notificationHubName, NotificationHubCreateOrUpdateParameters parameters, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
         /// <summary>
+        /// Patch a NotificationHub in a namespace.
+        /// </summary>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group.
+        /// </param>
+        /// <param name='namespaceName'>
+        /// The namespace name.
+        /// </param>
+        /// <param name='notificationHubName'>
+        /// The notification hub name.
+        /// </param>
+        /// <param name='parameters'>
+        /// Parameters supplied to patch a NotificationHub Resource.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<NotificationHubResource>> PatchWithHttpMessagesAsync(string resourceGroupName, string namespaceName, string notificationHubName, NotificationHubPatchParameters parameters = default(NotificationHubPatchParameters), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
         /// Deletes a notification hub associated with a namespace.
         /// </summary>
         /// <param name='resourceGroupName'>
@@ -138,6 +169,37 @@ public partial interface INotificationHubsOperations
         /// </exception>
         Task<AzureOperationResponse<NotificationHubResource>> GetWithHttpMessagesAsync(string resourceGroupName, string namespaceName, string notificationHubName, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
         /// <summary>
+        /// test send a push notification
+        /// </summary>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group.
+        /// </param>
+        /// <param name='namespaceName'>
+        /// The namespace name.
+        /// </param>
+        /// <param name='notificationHubName'>
+        /// The notification hub name.
+        /// </param>
+        /// <param name='parameters'>
+        /// Debug send parameters
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<DebugSendResponse>> DebugSendWithHttpMessagesAsync(string resourceGroupName, string namespaceName, string notificationHubName, object parameters = default(object), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
         /// Creates/Updates an authorization rule for a NotificationHub
         /// </summary>
         /// <param name='resourceGroupName'>
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/ApnsCredential.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/ApnsCredential.cs
index 3855f658dfc2..4bc16869536a 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/ApnsCredential.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/ApnsCredential.cs
@@ -32,18 +32,32 @@ public ApnsCredential()
         /// <summary>
         /// Initializes a new instance of the ApnsCredential class.
         /// </summary>
-        /// <param name="apnsCertificate">The APNS certificate.</param>
-        /// <param name="certificateKey">The certificate key.</param>
-        /// <param name="endpoint">The endpoint of this credential.</param>
-        /// <param name="thumbprint">The Apns certificate Thumbprint</param>
+        /// <param name="apnsCertificate">The APNS certificate. Specify if
+        /// using Certificate Authentication Mode.</param>
+        /// <param name="certificateKey">The APNS certificate password if it
+        /// exists.</param>
+        /// <param name="endpoint">The APNS endpoint of this credential. If
+        /// using Certificate Authentication Mode and Sandbox specify
+        /// 'gateway.sandbox.push.apple.com'. If using Certificate
+        /// Authentication Mode and Production specify
+        /// 'gateway.push.apple.com'. If using Token Authentication Mode and
+        /// Sandbox specify
+        /// 'https://api.development.push.apple.com:443/3/device'. If using
+        /// Token Authentication Mode and Production specify
+        /// 'https://api.push.apple.com:443/3/device'.</param>
+        /// <param name="thumbprint">The APNS certificate thumbprint. Specify
+        /// if using Certificate Authentication Mode.</param>
         /// <param name="keyId">A 10-character key identifier (kid) key,
-        /// obtained from your developer account</param>
-        /// <param name="appName">The name of the application</param>
-        /// <param name="appId">The issuer (iss) registered claim key, whose
-        /// value is your 10-character Team ID, obtained from your developer
-        /// account</param>
+        /// obtained from your developer account. Specify if using Token
+        /// Authentication Mode.</param>
+        /// <param name="appName">The name of the application or BundleId.
+        /// Specify if using Token Authentication Mode.</param>
+        /// <param name="appId">The issuer (iss) registered claim key. The
+        /// value is a 10-character TeamId, obtained from your developer
+        /// account. Specify if using Token Authentication Mode.</param>
         /// <param name="token">Provider Authentication Token, obtained through
-        /// your developer account</param>
+        /// your developer account. Specify if using Token Authentication
+        /// Mode.</param>
         public ApnsCredential(string apnsCertificate = default(string), string certificateKey = default(string), string endpoint = default(string), string thumbprint = default(string), string keyId = default(string), string appName = default(string), string appId = default(string), string token = default(string))
         {
             ApnsCertificate = apnsCertificate;
@@ -63,52 +77,64 @@ public ApnsCredential()
         partial void CustomInit();
 
         /// <summary>
-        /// Gets or sets the APNS certificate.
+        /// Gets or sets the APNS certificate. Specify if using Certificate
+        /// Authentication Mode.
         /// </summary>
         [JsonProperty(PropertyName = "properties.apnsCertificate")]
         public string ApnsCertificate { get; set; }
 
         /// <summary>
-        /// Gets or sets the certificate key.
+        /// Gets or sets the APNS certificate password if it exists.
         /// </summary>
         [JsonProperty(PropertyName = "properties.certificateKey")]
         public string CertificateKey { get; set; }
 
         /// <summary>
-        /// Gets or sets the endpoint of this credential.
+        /// Gets or sets the APNS endpoint of this credential. If using
+        /// Certificate Authentication Mode and Sandbox specify
+        /// 'gateway.sandbox.push.apple.com'. If using Certificate
+        /// Authentication Mode and Production specify
+        /// 'gateway.push.apple.com'. If using Token Authentication Mode and
+        /// Sandbox specify
+        /// 'https://api.development.push.apple.com:443/3/device'. If using
+        /// Token Authentication Mode and Production specify
+        /// 'https://api.push.apple.com:443/3/device'.
         /// </summary>
         [JsonProperty(PropertyName = "properties.endpoint")]
         public string Endpoint { get; set; }
 
         /// <summary>
-        /// Gets or sets the Apns certificate Thumbprint
+        /// Gets or sets the APNS certificate thumbprint. Specify if using
+        /// Certificate Authentication Mode.
         /// </summary>
         [JsonProperty(PropertyName = "properties.thumbprint")]
         public string Thumbprint { get; set; }
 
         /// <summary>
         /// Gets or sets a 10-character key identifier (kid) key, obtained from
-        /// your developer account
+        /// your developer account. Specify if using Token Authentication Mode.
         /// </summary>
         [JsonProperty(PropertyName = "properties.keyId")]
         public string KeyId { get; set; }
 
         /// <summary>
-        /// Gets or sets the name of the application
+        /// Gets or sets the name of the application or BundleId. Specify if
+        /// using Token Authentication Mode.
         /// </summary>
         [JsonProperty(PropertyName = "properties.appName")]
         public string AppName { get; set; }
 
         /// <summary>
-        /// Gets or sets the issuer (iss) registered claim key, whose value is
-        /// your 10-character Team ID, obtained from your developer account
+        /// Gets or sets the issuer (iss) registered claim key. The value is a
+        /// 10-character TeamId, obtained from your developer account. Specify
+        /// if using Token Authentication Mode.
         /// </summary>
         [JsonProperty(PropertyName = "properties.appId")]
         public string AppId { get; set; }
 
         /// <summary>
         /// Gets or sets provider Authentication Token, obtained through your
-        /// developer account
+        /// developer account. Specify if using Token Authentication Mode.
         /// </summary>
         [JsonProperty(PropertyName = "properties.token")]
         public string Token { get; set; }
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/CheckAvailabilityParameters.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/CheckAvailabilityParameters.cs
index 5cdc59ecafa4..b04b7a9d685f 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/CheckAvailabilityParameters.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/CheckAvailabilityParameters.cs
@@ -36,15 +36,15 @@ public CheckAvailabilityParameters()
         /// class.
         /// </summary>
         /// <param name="name">Resource name</param>
-        /// <param name="location">Resource location</param>
         /// <param name="id">Resource Id</param>
         /// <param name="type">Resource type</param>
+        /// <param name="location">Resource location</param>
         /// <param name="tags">Resource tags</param>
         /// <param name="sku">The sku of the created namespace</param>
         /// <param name="isAvailiable">True if the name is available and can be
         /// used to create new Namespace/NotificationHub. Otherwise
         /// false.</param>
-        public CheckAvailabilityParameters(string name, string location, string id = default(string), string type = default(string), IDictionary<string, string> tags = default(IDictionary<string, string>), Sku sku = default(Sku), bool? isAvailiable = default(bool?))
+        public CheckAvailabilityParameters(string name, string id = default(string), string type = default(string), string location = default(string), IDictionary<string, string> tags = default(IDictionary<string, string>), Sku sku = default(Sku), bool? isAvailiable = default(bool?))
         {
             Id = id;
             Name = name;
@@ -116,10 +116,6 @@ public virtual void Validate()
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "Name");
             }
-            if (Location == null)
-            {
-                throw new ValidationException(ValidationRules.CannotBeNull, "Location");
-            }
             if (Sku != null)
             {
                 Sku.Validate();
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/CheckAvailabilityResult.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/CheckAvailabilityResult.cs
index 9f7feaef2765..5d0dd9208fe6 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/CheckAvailabilityResult.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/CheckAvailabilityResult.cs
@@ -16,7 +16,7 @@ namespace Microsoft.Azure.Management.NotificationHubs.Models
     using System.Linq;
 
     /// <summary>
-    /// Description of a CheckAvailibility resource.
+    /// Description of a CheckAvailability resource.
     /// </summary>
     public partial class CheckAvailabilityResult : Resource
     {
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/DebugSendResponse.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/DebugSendResponse.cs
new file mode 100644
index 000000000000..074956ce4713
--- /dev/null
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/DebugSendResponse.cs
@@ -0,0 +1,89 @@
+// <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.Management.NotificationHubs.Models
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Serialization;
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Linq;
+
+    /// <summary>
+    /// Description of a NotificationHub Resource.
+    /// </summary>
+    [Rest.Serialization.JsonTransformation]
+    public partial class DebugSendResponse : Resource
+    {
+        /// <summary>
+        /// Initializes a new instance of the DebugSendResponse class.
+        /// </summary>
+        public DebugSendResponse()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the DebugSendResponse class.
+        /// </summary>
+        /// <param name="id">Resource Id</param>
+        /// <param name="name">Resource name</param>
+        /// <param name="type">Resource type</param>
+        /// <param name="location">Resource location</param>
+        /// <param name="tags">Resource tags</param>
+        /// <param name="sku">The sku of the created namespace</param>
+        /// <param name="success">successful send</param>
+        /// <param name="failure">send failure</param>
+        /// <param name="results">actual failure description</param>
+        public DebugSendResponse(string id = default(string), string name = default(string), string type = default(string), string location = default(string), IDictionary<string, string> tags = default(IDictionary<string, string>), Sku sku = default(Sku), double? success = default(double?), double? failure = default(double?), object results = default(object))
+            : base(id, name, type, location, tags, sku)
+        {
+            Success = success;
+            Failure = failure;
+            Results = results;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets successful send
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.success")]
+        public double? Success { get; set; }
+
+        /// <summary>
+        /// Gets or sets send failure
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.failure")]
+        public double? Failure { get; set; }
+
+        /// <summary>
+        /// Gets or sets actual failure description
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.results")]
+        public object Results { get; set; }
+
+        /// <summary>
+        /// Validate the object.
+        /// </summary>
+        /// <exception cref="ValidationException">
+        /// Thrown if validation fails
+        /// </exception>
+        public override void Validate()
+        {
+            base.Validate();
+        }
+    }
+}
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/ErrorResponse.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/ErrorResponse.cs
index 7c410da20574..a59a5f4ec948 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/ErrorResponse.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/ErrorResponse.cs
@@ -14,8 +14,9 @@ namespace Microsoft.Azure.Management.NotificationHubs.Models
     using System.Linq;
 
     /// <summary>
-    /// Error reponse indicates NotificationHubs service is not able to process
-    /// the incoming request. The reason is provided in the error message.
+    /// Error response indicates NotificationHubs service is not able to
+    /// process the incoming request. The reason is provided in the error
+    /// message.
     /// </summary>
     public partial class ErrorResponse
     {
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/GcmCredential.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/GcmCredential.cs
index f254a3aebbed..8c8ab8481975 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/GcmCredential.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/GcmCredential.cs
@@ -32,7 +32,8 @@ public GcmCredential()
         /// <summary>
         /// Initializes a new instance of the GcmCredential class.
         /// </summary>
-        /// <param name="gcmEndpoint">The GCM endpoint.</param>
+        /// <param name="gcmEndpoint">The FCM legacy endpoint. Default value is
+        /// 'https://fcm.googleapis.com/fcm/send'</param>
         /// <param name="googleApiKey">The Google API key.</param>
         public GcmCredential(string gcmEndpoint = default(string), string googleApiKey = default(string))
         {
@@ -47,7 +48,8 @@ public GcmCredential()
         partial void CustomInit();
 
         /// <summary>
-        /// Gets or sets the GCM endpoint.
+        /// Gets or sets the FCM legacy endpoint. Default value is
+        /// 'https://fcm.googleapis.com/fcm/send'
         /// </summary>
         [JsonProperty(PropertyName = "properties.gcmEndpoint")]
         public string GcmEndpoint { get; set; }
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/MpnsCredential.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/MpnsCredential.cs
index 5e686015960e..c7d028b3561d 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/MpnsCredential.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/MpnsCredential.cs
@@ -35,7 +35,7 @@ public MpnsCredential()
         /// <param name="mpnsCertificate">The MPNS certificate.</param>
         /// <param name="certificateKey">The certificate key for this
         /// credential.</param>
-        /// <param name="thumbprint">The Mpns certificate Thumbprint</param>
+        /// <param name="thumbprint">The MPNS certificate Thumbprint</param>
         public MpnsCredential(string mpnsCertificate = default(string), string certificateKey = default(string), string thumbprint = default(string))
         {
             MpnsCertificate = mpnsCertificate;
@@ -62,7 +62,7 @@ public MpnsCredential()
         public string CertificateKey { get; set; }
 
         /// <summary>
-        /// Gets or sets the Mpns certificate Thumbprint
+        /// Gets or sets the MPNS certificate Thumbprint
         /// </summary>
         [JsonProperty(PropertyName = "properties.thumbprint")]
         public string Thumbprint { get; set; }
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/NamespaceCreateOrUpdateParameters.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/NamespaceCreateOrUpdateParameters.cs
index 7fb988da0457..d5c15cbaaa06 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/NamespaceCreateOrUpdateParameters.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/NamespaceCreateOrUpdateParameters.cs
@@ -48,9 +48,10 @@ public NamespaceCreateOrUpdateParameters()
         /// Namespace.</param>
         /// <param name="region">Specifies the targeted region in which the
         /// namespace should be created. It can be any of the following values:
-        /// Australia EastAustralia SoutheastCentral USEast USEast US 2West
-        /// USNorth Central USSouth Central USEast AsiaSoutheast AsiaBrazil
-        /// SouthJapan EastJapan WestNorth EuropeWest Europe</param>
+        /// Australia East, Australia Southeast, Central US, East US, East US
+        /// 2, West US, North Central US, South Central US, East Asia,
+        /// Southeast Asia, Brazil South, Japan East, Japan West, North Europe,
+        /// West Europe</param>
         /// <param name="metricId">Identifier for Azure Insights
         /// metrics</param>
         /// <param name="status">Status of the namespace. It can be any of
@@ -111,9 +112,9 @@ public NamespaceCreateOrUpdateParameters()
         /// <summary>
         /// Gets or sets specifies the targeted region in which the namespace
         /// should be created. It can be any of the following values: Australia
-        /// EastAustralia SoutheastCentral USEast USEast US 2West USNorth
-        /// Central USSouth Central USEast AsiaSoutheast AsiaBrazil SouthJapan
-        /// EastJapan WestNorth EuropeWest Europe
+        /// East, Australia Southeast, Central US, East US, East US 2, West US,
+        /// North Central US, South Central US, East Asia, Southeast Asia,
+        /// Brazil South, Japan East, Japan West, North Europe, West Europe
         /// </summary>
         [JsonProperty(PropertyName = "properties.region")]
         public string Region { get; set; }
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/NamespaceResource.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/NamespaceResource.cs
index 1ef7918a4bcf..787e7e448277 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/NamespaceResource.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/NamespaceResource.cs
@@ -46,9 +46,10 @@ public NamespaceResource()
         /// Namespace.</param>
         /// <param name="region">Specifies the targeted region in which the
         /// namespace should be created. It can be any of the following values:
-        /// Australia EastAustralia SoutheastCentral USEast USEast US 2West
-        /// USNorth Central USSouth Central USEast AsiaSoutheast AsiaBrazil
-        /// SouthJapan EastJapan WestNorth EuropeWest Europe</param>
+        /// Australia East, Australia Southeast, Central US, East US, East US
+        /// 2, West US, North Central US, South Central US, East Asia,
+        /// Southeast Asia, Brazil South, Japan East, Japan West, North Europe,
+        /// West Europe</param>
         /// <param name="metricId">Identifier for Azure Insights
         /// metrics</param>
         /// <param name="status">Status of the namespace. It can be any of
@@ -109,9 +110,9 @@ public NamespaceResource()
         /// <summary>
         /// Gets or sets specifies the targeted region in which the namespace
         /// should be created. It can be any of the following values: Australia
-        /// EastAustralia SoutheastCentral USEast USEast US 2West USNorth
-        /// Central USSouth Central USEast AsiaSoutheast AsiaBrazil SouthJapan
-        /// EastJapan WestNorth EuropeWest Europe
+        /// East, Australia Southeast, Central US, East US, East US 2, West US,
+        /// North Central US, South Central US, East Asia, Southeast Asia,
+        /// Brazil South, Japan East, Japan West, North Europe, West Europe
         /// </summary>
         [JsonProperty(PropertyName = "properties.region")]
         public string Region { get; set; }
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/NotificationHubPatchParameters.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/NotificationHubPatchParameters.cs
new file mode 100644
index 000000000000..4db7ecca33e0
--- /dev/null
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/Models/NotificationHubPatchParameters.cs
@@ -0,0 +1,148 @@
+// <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.Management.NotificationHubs.Models
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Serialization;
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Linq;
+
+    /// <summary>
+    /// Parameters supplied to the patch NotificationHub operation.
+    /// </summary>
+    [Rest.Serialization.JsonTransformation]
+    public partial class NotificationHubPatchParameters : Resource
+    {
+        /// <summary>
+        /// Initializes a new instance of the NotificationHubPatchParameters
+        /// class.
+        /// </summary>
+        public NotificationHubPatchParameters()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the NotificationHubPatchParameters
+        /// class.
+        /// </summary>
+        /// <param name="id">Resource Id</param>
+        /// <param name="name">Resource name</param>
+        /// <param name="type">Resource type</param>
+        /// <param name="location">Resource location</param>
+        /// <param name="tags">Resource tags</param>
+        /// <param name="sku">The sku of the created namespace</param>
+        /// <param name="notificationHubPatchParametersName">The
+        /// NotificationHub name.</param>
+        /// <param name="registrationTtl">The RegistrationTtl of the created
+        /// NotificationHub</param>
+        /// <param name="authorizationRules">The AuthorizationRules of the
+        /// created NotificationHub</param>
+        /// <param name="apnsCredential">The ApnsCredential of the created
+        /// NotificationHub</param>
+        /// <param name="wnsCredential">The WnsCredential of the created
+        /// NotificationHub</param>
+        /// <param name="gcmCredential">The GcmCredential of the created
+        /// NotificationHub</param>
+        /// <param name="mpnsCredential">The MpnsCredential of the created
+        /// NotificationHub</param>
+        /// <param name="admCredential">The AdmCredential of the created
+        /// NotificationHub</param>
+        /// <param name="baiduCredential">The BaiduCredential of the created
+        /// NotificationHub</param>
+        public NotificationHubPatchParameters(string id = default(string), string name = default(string), string type = default(string), string location = default(string), IDictionary<string, string> tags = default(IDictionary<string, string>), Sku sku = default(Sku), string notificationHubPatchParametersName = default(string), string registrationTtl = default(string), IList<SharedAccessAuthorizationRuleProperties> authorizationRules = default(IList<SharedAccessAuthorizationRuleProperties>), ApnsCredential apnsCredential = default(ApnsCredential), WnsCredential wnsCredential = default(WnsCredential), GcmCredential gcmCredential = default(GcmCredential), MpnsCredential mpnsCredential = default(MpnsCredential), AdmCredential admCredential = default(AdmCredential), BaiduCredential baiduCredential = default(BaiduCredential))
+            : base(id, name, type, location, tags, sku)
+        {
+            NotificationHubPatchParametersName = notificationHubPatchParametersName;
+            RegistrationTtl = registrationTtl;
+            AuthorizationRules = authorizationRules;
+            ApnsCredential = apnsCredential;
+            WnsCredential = wnsCredential;
+            GcmCredential = gcmCredential;
+            MpnsCredential = mpnsCredential;
+            AdmCredential = admCredential;
+            BaiduCredential = baiduCredential;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets the NotificationHub name.
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.name")]
+        public string NotificationHubPatchParametersName { get; set; }
+
+        /// <summary>
+        /// Gets or sets the RegistrationTtl of the created NotificationHub
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.registrationTtl")]
+        public string RegistrationTtl { get; set; }
+
+        /// <summary>
+        /// Gets or sets the AuthorizationRules of the created NotificationHub
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.authorizationRules")]
+        public IList<SharedAccessAuthorizationRuleProperties> AuthorizationRules { get; set; }
+
+        /// <summary>
+        /// Gets or sets the ApnsCredential of the created NotificationHub
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.apnsCredential")]
+        public ApnsCredential ApnsCredential { get; set; }
+
+        /// <summary>
+        /// Gets or sets the WnsCredential of the created NotificationHub
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.wnsCredential")]
+        public WnsCredential WnsCredential { get; set; }
+
+        /// <summary>
+        /// Gets or sets the GcmCredential of the created NotificationHub
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.gcmCredential")]
+        public GcmCredential GcmCredential { get; set; }
+
+        /// <summary>
+        /// Gets or sets the MpnsCredential of the created NotificationHub
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.mpnsCredential")]
+        public MpnsCredential MpnsCredential { get; set; }
+
+        /// <summary>
+        /// Gets or sets the AdmCredential of the created NotificationHub
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.admCredential")]
+        public AdmCredential AdmCredential { get; set; }
+
+        /// <summary>
+        /// Gets or sets the BaiduCredential of the created NotificationHub
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.baiduCredential")]
+        public BaiduCredential BaiduCredential { get; set; }
+
+        /// <summary>
+        /// Validate the object.
+        /// </summary>
+        /// <exception cref="ValidationException">
+        /// Thrown if validation fails
+        /// </exception>
+        public override void Validate()
+        {
+            base.Validate();
+        }
+    }
+}
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NamespacesOperations.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NamespacesOperations.cs
index 5d22b1c6d602..46c2d2eb6851 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NamespacesOperations.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NamespacesOperations.cs
@@ -922,7 +922,7 @@ internal NamespacesOperations(NotificationHubsManagementClient client)
         /// The namespace name.
         /// </param>
         /// <param name='authorizationRuleName'>
-        /// Aauthorization Rule Name.
+        /// Authorization Rule Name.
         /// </param>
         /// <param name='parameters'>
         /// The shared access authorization rule.
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NamespacesOperationsExtensions.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NamespacesOperationsExtensions.cs
index 5057b56e6855..b66a161247d5 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NamespacesOperationsExtensions.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NamespacesOperationsExtensions.cs
@@ -249,7 +249,7 @@ public static NamespaceResource Get(this INamespacesOperations operations, strin
             /// The namespace name.
             /// </param>
             /// <param name='authorizationRuleName'>
-            /// Aauthorization Rule Name.
+            /// Authorization Rule Name.
             /// </param>
             /// <param name='parameters'>
             /// The shared access authorization rule.
@@ -272,7 +272,7 @@ public static SharedAccessAuthorizationRuleResource CreateOrUpdateAuthorizationR
             /// The namespace name.
             /// </param>
             /// <param name='authorizationRuleName'>
-            /// Aauthorization Rule Name.
+            /// Authorization Rule Name.
             /// </param>
             /// <param name='parameters'>
             /// The shared access authorization rule.
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NotificationHubsManagementClient.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NotificationHubsManagementClient.cs
index ec21cd723b00..19412c065daa 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NotificationHubsManagementClient.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NotificationHubsManagementClient.cs
@@ -59,19 +59,20 @@ public partial class NotificationHubsManagementClient : ServiceClient<Notificati
         public string ApiVersion { get; private set; }
 
         /// <summary>
-        /// Gets or sets the preferred language for the response.
+        /// The preferred language for the response.
         /// </summary>
         public string AcceptLanguage { get; set; }
 
         /// <summary>
-        /// Gets or sets the retry timeout in seconds for Long Running Operations.
-        /// Default value is 30.
+        /// The retry timeout in seconds for Long Running Operations. Default value is
+        /// 30.
         /// </summary>
         public int? LongRunningOperationRetryTimeout { get; set; }
 
         /// <summary>
-        /// When set to true a unique x-ms-client-request-id value is generated and
-        /// included in each request. Default is true.
+        /// Whether a unique x-ms-client-request-id should be generated. When set to
+        /// true a unique x-ms-client-request-id value is generated and included in
+        /// each request. Default is true.
         /// </summary>
         public bool? GenerateClientRequestId { get; set; }
 
@@ -90,6 +91,19 @@ public partial class NotificationHubsManagementClient : ServiceClient<Notificati
         /// </summary>
         public virtual INotificationHubsOperations NotificationHubs { get; private set; }
 
+        /// <summary>
+        /// Initializes a new instance of the NotificationHubsManagementClient class.
+        /// </summary>
+        /// <param name='httpClient'>
+        /// HttpClient to be used
+        /// </param>
+        /// <param name='disposeHttpClient'>
+        /// True: will dispose the provided httpClient on calling NotificationHubsManagementClient.Dispose(). False: will not dispose provided httpClient</param>
+        protected NotificationHubsManagementClient(HttpClient httpClient, bool disposeHttpClient) : base(httpClient, disposeHttpClient)
+        {
+            Initialize();
+        }
+
         /// <summary>
         /// Initializes a new instance of the NotificationHubsManagementClient class.
         /// </summary>
@@ -185,6 +199,33 @@ public NotificationHubsManagementClient(ServiceClientCredentials credentials, pa
             }
         }
 
+        /// <summary>
+        /// Initializes a new instance of the NotificationHubsManagementClient class.
+        /// </summary>
+        /// <param name='credentials'>
+        /// Required. Credentials needed for the client to connect to Azure.
+        /// </param>
+        /// <param name='httpClient'>
+        /// HttpClient to be used
+        /// </param>
+        /// <param name='disposeHttpClient'>
+        /// True: will dispose the provided httpClient on calling NotificationHubsManagementClient.Dispose(). False: will not dispose provided httpClient</param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        public NotificationHubsManagementClient(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 NotificationHubsManagementClient class.
         /// </summary>
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NotificationHubsOperations.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NotificationHubsOperations.cs
index 933fb37d15ab..245c69a4f674 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NotificationHubsOperations.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NotificationHubsOperations.cs
@@ -505,6 +505,221 @@ internal NotificationHubsOperations(NotificationHubsManagementClient client)
             return _result;
         }
 
+        /// <summary>
+        /// Patch a NotificationHub in a namespace.
+        /// </summary>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group.
+        /// </param>
+        /// <param name='namespaceName'>
+        /// The namespace name.
+        /// </param>
+        /// <param name='notificationHubName'>
+        /// The notification hub name.
+        /// </param>
+        /// <param name='parameters'>
+        /// Parameters supplied to patch a NotificationHub Resource.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="CloudException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<NotificationHubResource>> PatchWithHttpMessagesAsync(string resourceGroupName, string namespaceName, string notificationHubName, NotificationHubPatchParameters parameters = default(NotificationHubPatchParameters), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (resourceGroupName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "resourceGroupName");
+            }
+            if (namespaceName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "namespaceName");
+            }
+            if (notificationHubName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "notificationHubName");
+            }
+            if (Client.ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.ApiVersion");
+            }
+            if (Client.SubscriptionId == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.SubscriptionId");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("resourceGroupName", resourceGroupName);
+                tracingParameters.Add("namespaceName", namespaceName);
+                tracingParameters.Add("notificationHubName", notificationHubName);
+                tracingParameters.Add("parameters", parameters);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "Patch", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = Client.BaseUri.AbsoluteUri;
+            var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.NotificationHubs/namespaces/{namespaceName}/notificationHubs/{notificationHubName}").ToString();
+            _url = _url.Replace("{resourceGroupName}", System.Uri.EscapeDataString(resourceGroupName));
+            _url = _url.Replace("{namespaceName}", System.Uri.EscapeDataString(namespaceName));
+            _url = _url.Replace("{notificationHubName}", System.Uri.EscapeDataString(notificationHubName));
+            _url = _url.Replace("{subscriptionId}", System.Uri.EscapeDataString(Client.SubscriptionId));
+            List<string> _queryParameters = new List<string>();
+            if (Client.ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(Client.ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("PATCH");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            if(parameters != null)
+            {
+                _requestContent = Rest.Serialization.SafeJsonConvert.SerializeObject(parameters, Client.SerializationSettings);
+                _httpRequest.Content = new StringContent(_requestContent, System.Text.Encoding.UTF8);
+                _httpRequest.Content.Headers.ContentType =System.Net.Http.Headers.MediaTypeHeaderValue.Parse("application/json; charset=utf-8");
+            }
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex = new CloudException(_errorBody.Message);
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<NotificationHubResource>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<NotificationHubResource>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
         /// <summary>
         /// Deletes a notification hub associated with a namespace.
         /// </summary>
@@ -894,6 +1109,221 @@ internal NotificationHubsOperations(NotificationHubsManagementClient client)
             return _result;
         }
 
+        /// <summary>
+        /// test send a push notification
+        /// </summary>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group.
+        /// </param>
+        /// <param name='namespaceName'>
+        /// The namespace name.
+        /// </param>
+        /// <param name='notificationHubName'>
+        /// The notification hub name.
+        /// </param>
+        /// <param name='parameters'>
+        /// Debug send parameters
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="CloudException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<DebugSendResponse>> DebugSendWithHttpMessagesAsync(string resourceGroupName, string namespaceName, string notificationHubName, object parameters = default(object), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (resourceGroupName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "resourceGroupName");
+            }
+            if (namespaceName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "namespaceName");
+            }
+            if (notificationHubName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "notificationHubName");
+            }
+            if (Client.ApiVersion == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.ApiVersion");
+            }
+            if (Client.SubscriptionId == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.SubscriptionId");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("resourceGroupName", resourceGroupName);
+                tracingParameters.Add("namespaceName", namespaceName);
+                tracingParameters.Add("notificationHubName", notificationHubName);
+                tracingParameters.Add("parameters", parameters);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "DebugSend", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = Client.BaseUri.AbsoluteUri;
+            var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.NotificationHubs/namespaces/{namespaceName}/notificationHubs/{notificationHubName}/debugsend").ToString();
+            _url = _url.Replace("{resourceGroupName}", System.Uri.EscapeDataString(resourceGroupName));
+            _url = _url.Replace("{namespaceName}", System.Uri.EscapeDataString(namespaceName));
+            _url = _url.Replace("{notificationHubName}", System.Uri.EscapeDataString(notificationHubName));
+            _url = _url.Replace("{subscriptionId}", System.Uri.EscapeDataString(Client.SubscriptionId));
+            List<string> _queryParameters = new List<string>();
+            if (Client.ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(Client.ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("POST");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            if(parameters != null)
+            {
+                _requestContent = Rest.Serialization.SafeJsonConvert.SerializeObject(parameters, Client.SerializationSettings);
+                _httpRequest.Content = new StringContent(_requestContent, System.Text.Encoding.UTF8);
+                _httpRequest.Content.Headers.ContentType =System.Net.Http.Headers.MediaTypeHeaderValue.Parse("application/json; charset=utf-8");
+            }
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 201)
+            {
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex = new CloudException(_errorBody.Message);
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<DebugSendResponse>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 201)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<DebugSendResponse>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
         /// <summary>
         /// Creates/Updates an authorization rule for a NotificationHub
         /// </summary>
diff --git a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NotificationHubsOperationsExtensions.cs b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NotificationHubsOperationsExtensions.cs
index 061809545a1c..0a8924fd6571 100644
--- a/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NotificationHubsOperationsExtensions.cs
+++ b/sdk/notificationhubs/Microsoft.Azure.Management.NotificationHubs/src/Generated/NotificationHubsOperationsExtensions.cs
@@ -119,6 +119,58 @@ public static NotificationHubResource CreateOrUpdate(this INotificationHubsOpera
                 }
             }
 
+            /// <summary>
+            /// Patch a NotificationHub in a namespace.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group.
+            /// </param>
+            /// <param name='namespaceName'>
+            /// The namespace name.
+            /// </param>
+            /// <param name='notificationHubName'>
+            /// The notification hub name.
+            /// </param>
+            /// <param name='parameters'>
+            /// Parameters supplied to patch a NotificationHub Resource.
+            /// </param>
+            public static NotificationHubResource Patch(this INotificationHubsOperations operations, string resourceGroupName, string namespaceName, string notificationHubName, NotificationHubPatchParameters parameters = default(NotificationHubPatchParameters))
+            {
+                return operations.PatchAsync(resourceGroupName, namespaceName, notificationHubName, parameters).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// Patch a NotificationHub in a namespace.
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group.
+            /// </param>
+            /// <param name='namespaceName'>
+            /// The namespace name.
+            /// </param>
+            /// <param name='notificationHubName'>
+            /// The notification hub name.
+            /// </param>
+            /// <param name='parameters'>
+            /// Parameters supplied to patch a NotificationHub Resource.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<NotificationHubResource> PatchAsync(this INotificationHubsOperations operations, string resourceGroupName, string namespaceName, string notificationHubName, NotificationHubPatchParameters parameters = default(NotificationHubPatchParameters), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.PatchWithHttpMessagesAsync(resourceGroupName, namespaceName, notificationHubName, parameters, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
             /// <summary>
             /// Deletes a notification hub associated with a namespace.
             /// </summary>
@@ -208,6 +260,58 @@ public static NotificationHubResource Get(this INotificationHubsOperations opera
                 }
             }
 
+            /// <summary>
+            /// test send a push notification
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group.
+            /// </param>
+            /// <param name='namespaceName'>
+            /// The namespace name.
+            /// </param>
+            /// <param name='notificationHubName'>
+            /// The notification hub name.
+            /// </param>
+            /// <param name='parameters'>
+            /// Debug send parameters
+            /// </param>
+            public static DebugSendResponse DebugSend(this INotificationHubsOperations operations, string resourceGroupName, string namespaceName, string notificationHubName, object parameters = default(object))
+            {
+                return operations.DebugSendAsync(resourceGroupName, namespaceName, notificationHubName, parameters).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// test send a push notification
+            /// </summary>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group.
+            /// </param>
+            /// <param name='namespaceName'>
+            /// The namespace name.
+            /// </param>
+            /// <param name='notificationHubName'>
+            /// The notification hub name.
+            /// </param>
+            /// <param name='parameters'>
+            /// Debug send parameters
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<DebugSendResponse> DebugSendAsync(this INotificationHubsOperations operations, string resourceGroupName, string namespaceName, string notificationHubName, object parameters = default(object), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.DebugSendWithHttpMessagesAsync(resourceGroupName, namespaceName, notificationHubName, parameters, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
             /// <summary>
             /// Creates/Updates an authorization rule for a NotificationHub
             /// </summary>