diff --git a/apps/tenbi/yangmodel/src/main/yang/ietf-te-types.yang b/apps/tenbi/yangmodel/src/main/yang/ietf-te-types.yang
index 265e21e..2e76380 100644
--- a/apps/tenbi/yangmodel/src/main/yang/ietf-te-types.yang
+++ b/apps/tenbi/yangmodel/src/main/yang/ietf-te-types.yang
@@ -892,6 +892,28 @@
     }
     description "TE  Event type for notifications";
   } // te-topology-event-type
+
+
+  typedef te-tunnel-event-type {
+      type enumeration {
+        enum "add" {
+          value 0;
+          description
+            "A TE tunnel has been added.";
+        }
+        enum "remove" {
+          value 1;
+          description
+            "A TE tunnel has been removed.";
+        }
+        enum "update" {
+          value 2;
+          description
+            "A TE tunnel has been updated.";
+        }
+      }
+      description "TE  Event type for notifications";
+  } // te-tunnel-event-type
   
   typedef te-topology-id {
     type string {