diff --git a/config-models/aether-4.x/files/aether-4.0.0.tree b/config-models/aether-4.x/files/aether-4.0.0.tree
index 651820d..735ce23 100644
--- a/config-models/aether-4.x/files/aether-4.0.0.tree
+++ b/config-models/aether-4.x/files/aether-4.0.0.tree
@@ -19,13 +19,14 @@
 module: onf-connectivity-service
   +--rw connectivity-service
      +--rw connectivity-service* [id]
-        +--rw id                  connectivity-service-id
-        +--rw display-name?       string
-        +--rw description?        at:description
-        +--rw spgwc-endpoint?     inet:uri
-        +--rw hss-endpoint?       inet:uri
-        +--rw pcrf-endpoint?      inet:uri
-        +--rw core-5g-endpoint?   inet:uri
+        +--rw id                    connectivity-service-id
+        +--rw display-name?         string
+        +--rw description?          at:description
+        +--rw spgwc-endpoint?       inet:uri
+        +--rw hss-endpoint?         inet:uri
+        +--rw pcrf-endpoint?        inet:uri
+        +--rw core-5g-endpoint?     inet:uri
+        +--rw acc-prometheus-url?   inet:uri
 
 module: onf-device-group
   +--rw device-group
diff --git a/config-models/aether-4.x/files/yang/onf-connectivity-service.yang b/config-models/aether-4.x/files/yang/onf-connectivity-service.yang
index f5ca075..e5aaaff 100755
--- a/config-models/aether-4.x/files/yang/onf-connectivity-service.yang
+++ b/config-models/aether-4.x/files/yang/onf-connectivity-service.yang
@@ -16,7 +16,7 @@
     "An Aether Connectivity service is the linkage between the
      ROC and a core that provides connectivity.";
 
-  revision "2021-06-02" {
+  revision "2021-10-21" {
     description "An Aether Connectivity Service. Specifies the endpoints where the sdcore-adapter should push configuration to. A single connectivity service may be attached to multiple Enterprises.";
     reference "RFC 6087";
   }
@@ -45,23 +45,26 @@
             length 1..80;
         }
         description "display name to use in GUI or CLI";
-      }     
+      }
 
       leaf description {
         type at:description;
         description "description of this connectivity service";
       }
 
+      // deprecated
       leaf spgwc-endpoint {
         type inet:uri;
         description "url of the spgwc service";
       }
 
+      // deprecated
       leaf hss-endpoint {
         type inet:uri;
         description "url of the hss service";
       }
 
+      // deprecated
       leaf pcrf-endpoint {
         type inet:uri;
         description "url of the pcrf service";
@@ -70,7 +73,13 @@
       leaf core-5g-endpoint {
         type inet:uri;
         description "url of the 5g core";
-      }      
+      }
+
+      leaf acc-prometheus-url {
+          type inet:uri;
+          description
+            "URL of ACC prometheus";
+      }
     }
-  } 
+  }
 }