diff --git a/src/Notification/Microsoft.Agents.A365.Notifications/AgentNotification.cs b/src/Notification/Microsoft.Agents.A365.Notifications/AgentNotification.cs
index 814aed84..10aa8dcc 100644
--- a/src/Notification/Microsoft.Agents.A365.Notifications/AgentNotification.cs
+++ b/src/Notification/Microsoft.Agents.A365.Notifications/AgentNotification.cs
@@ -159,6 +159,9 @@ private static bool IsValidLifecycleEvent(string lifecycleEvent)
                 Events.AgenticUserIdentityCreated => true,
                 Events.AgenticUserWorkloadOnboardingUpdated => true,
                 Events.AgenticUserDeleted => true,
+                Events.AgenticUserUndeleted => true,
+                Events.AgenticUserIdentityUpdated => true,
+                Events.AgenticUserManagerUpdated => true,
                 _ => false,
             };
         }
@@ -287,6 +290,45 @@ public static void OnAgenticUserDeletedNotification(this AgentApplication app, A
                 a365.OnLifecycleNotification(Events.AgenticUserDeleted, routeHandler, rank, autoSignInHandlers);
             });
 
+        /// <summary>
+        /// Registers a handler for agentic user undeleted lifecycle notifications.
+        /// </summary>
+        /// <param name="app">The agent application to extend.</param>
+        /// <param name="routeHandler">The handler to invoke when a notification is received.</param>
+        /// <param name="rank">The route priority rank (default is 32767).</param>
+        /// <param name="autoSignInHandlers">Optional array of auto sign-in handlers.</param>
+        public static void OnAgenticUserUndeletedNotification(this AgentApplication app, AgentNotificationHandler routeHandler, ushort rank = 32767, string[] autoSignInHandlers = null!) =>
+            app.RegisterExtension(new AgentNotification(app), a365 =>
+            {
+                a365.OnLifecycleNotification(Events.AgenticUserUndeleted, routeHandler, rank, autoSignInHandlers);
+            });
+
+        /// <summary>
+        /// Registers a handler for agentic user identity updated lifecycle notifications.
+        /// </summary>
+        /// <param name="app">The agent application to extend.</param>
+        /// <param name="routeHandler">The handler to invoke when a notification is received.</param>
+        /// <param name="rank">The route priority rank (default is 32767).</param>
+        /// <param name="autoSignInHandlers">Optional array of auto sign-in handlers.</param>
+        public static void OnAgenticUserIdentityUpdatedNotification(this AgentApplication app, AgentNotificationHandler routeHandler, ushort rank = 32767, string[] autoSignInHandlers = null!) =>
+            app.RegisterExtension(new AgentNotification(app), a365 =>
+            {
+                a365.OnLifecycleNotification(Events.AgenticUserIdentityUpdated, routeHandler, rank, autoSignInHandlers);
+            });
+
+        /// <summary>
+        /// Registers a handler for agentic user manager updated lifecycle notifications.
+        /// </summary>
+        /// <param name="app">The agent application to extend.</param>
+        /// <param name="routeHandler">The handler to invoke when a notification is received.</param>
+        /// <param name="rank">The route priority rank (default is 32767).</param>
+        /// <param name="autoSignInHandlers">Optional array of auto sign-in handlers.</param>
+        public static void OnAgenticUserManagerUpdatedNotification(this AgentApplication app, AgentNotificationHandler routeHandler, ushort rank = 32767, string[] autoSignInHandlers = null!) =>
+            app.RegisterExtension(new AgentNotification(app), a365 =>
+            {
+                a365.OnLifecycleNotification(Events.AgenticUserManagerUpdated, routeHandler, rank, autoSignInHandlers);
+            });
+
         /// <summary>
         /// Creates a reply Activity containing an <see cref="EmailResponse"/> entity populated with the provided HTML body.
         /// </summary>
diff --git a/src/Notification/Microsoft.Agents.A365.Notifications/Constants.cs b/src/Notification/Microsoft.Agents.A365.Notifications/Constants.cs
index 98204251..c8d75f1d 100644
--- a/src/Notification/Microsoft.Agents.A365.Notifications/Constants.cs
+++ b/src/Notification/Microsoft.Agents.A365.Notifications/Constants.cs
@@ -58,5 +58,20 @@ public class Events
         /// The event name for agentic user deletion
         /// </summary>
         public const string AgenticUserDeleted = "agenticUserDeleted";
+
+        /// <summary>
+        /// The event name for agentic user undeletion.
+        /// </summary>
+        public const string AgenticUserUndeleted = "agenticUserUndeleted";
+
+        /// <summary>
+        /// The event name for agentic user identity update
+        /// </summary>
+        public const string AgenticUserIdentityUpdated = "agenticUserIdentityUpdated";
+
+        /// <summary>
+        /// The event name for agentic user manager update
+        /// </summary>
+        public const string AgenticUserManagerUpdated = "agenticUserManagerUpdated";
     }
 }