diff --git a/config-models/aether-4.x/files/yang/onf-application.yang b/config-models/aether-4.x/files/yang/onf-application.yang
index 4c146c3..6bfbb4c 100755
--- a/config-models/aether-4.x/files/yang/onf-application.yang
+++ b/config-models/aether-4.x/files/yang/onf-application.yang
@@ -10,6 +10,7 @@
   import ietf-yang-types{ prefix yg; }
   import onf-aether-types{ prefix at; }
   import onf-enterprise{ prefix ent; }
+  import onf-traffic-class{ prefix tc; }
 
   organization "Open Networking Foundation.";
   contact "Scott Baker";
@@ -98,6 +99,13 @@
             description "Per-Device per application mbr downlink data rate in mbps";
           }
         }
+        leaf traffic-class {
+          type leafref {
+            path "/tc:traffic-class/tc:traffic-class/tc:id";
+          }
+          description
+            "Link to traffic class";
+        }
       }
 
       leaf enterprise {