diff --git a/sdk/communication/Azure.Communication.CallAutomation/api/Azure.Communication.CallAutomation.netstandard2.0.cs b/sdk/communication/Azure.Communication.CallAutomation/api/Azure.Communication.CallAutomation.netstandard2.0.cs
index c037d066333fb..d2f53d639d6bc 100644
--- a/sdk/communication/Azure.Communication.CallAutomation/api/Azure.Communication.CallAutomation.netstandard2.0.cs
+++ b/sdk/communication/Azure.Communication.CallAutomation/api/Azure.Communication.CallAutomation.netstandard2.0.cs
@@ -766,6 +766,7 @@ public partial class DialogSensitivityUpdate : Azure.Communication.CallAutomatio
         internal DialogSensitivityUpdate() { }
         public string DialogId { get { throw null; } }
         public Azure.Communication.CallAutomation.DialogInputType? DialogInputType { get { throw null; } }
+        public bool? SensitiveMask { get { throw null; } }
         public static Azure.Communication.CallAutomation.DialogSensitivityUpdate Deserialize(string content) { throw null; }
     }
     public partial class DialogStarted : Azure.Communication.CallAutomation.CallAutomationEventBase
diff --git a/sdk/communication/Azure.Communication.CallAutomation/src/Models/Events/DialogSensitivityUpdate.cs b/sdk/communication/Azure.Communication.CallAutomation/src/Models/Events/DialogSensitivityUpdate.cs
index 5bc771420fad1..59eb67c643a28 100644
--- a/sdk/communication/Azure.Communication.CallAutomation/src/Models/Events/DialogSensitivityUpdate.cs
+++ b/sdk/communication/Azure.Communication.CallAutomation/src/Models/Events/DialogSensitivityUpdate.cs
@@ -26,6 +26,7 @@ internal DialogSensitivityUpdate(DialogSensitivityUpdateInternal internalEvent)
             OperationContext = internalEvent.OperationContext;
             ResultInformation = internalEvent.ResultInformation;
             DialogId = internalEvent.DialogId;
+            SensitiveMask = internalEvent.SensitiveMask;
         }
 
         /// <summary> Determines the type of the dialog. </summary>
@@ -34,6 +35,9 @@ internal DialogSensitivityUpdate(DialogSensitivityUpdateInternal internalEvent)
         /// <summary> Dialog Id</summary>
         public string DialogId { get; }
 
+        /// <summary> SensitiveMask </summary>
+        public bool? SensitiveMask { get; }
+
         /// <summary>
         /// Deserialize <see cref="DialogSensitivityUpdate"/> event.
         /// </summary>