diff --git a/Asterisk.2013/Asterisk.NET/Manager/Event/ChallengeResponseFailedEvent.cs b/Asterisk.2013/Asterisk.NET/Manager/Event/ChallengeResponseFailedEvent.cs
new file mode 100644
index 0000000..170b5cb
--- /dev/null
+++ b/Asterisk.2013/Asterisk.NET/Manager/Event/ChallengeResponseFailedEvent.cs
@@ -0,0 +1,16 @@
+namespace AsterNET.Manager.Event
+{
+
+    /// <summary>
+    ///     Raised when a request's attempt to authenticate has been challenged, and the request failed the authentication challenge.<br />
+    /// </summary>
+    public class ChallengeResponseFailedEvent : ManagerEvent
+{
+    public ChallengeResponseFailedEvent(ManagerConnection source)
+        : base(source)
+    {
+    }
+
+        public string Status { get; set; }
+    }
+}