diff --git a/yang/coreswitch.yang b/yang/coreswitch.yang
index 8cd66db..8c1eed0 100644
--- a/yang/coreswitch.yang
+++ b/yang/coreswitch.yang
@@ -330,6 +330,62 @@ module coreswitch {
           }
         }
       }
+      list localsid { /* update based on draft-raza-spring-srv6-yang */
+        key "prefix";
+        leaf prefix {
+          type inet:ipv6-prefix;
+        }
+        list nexthop {
+          key "address";
+          leaf "address" {
+            type inet:ipv6-address;
+          }
+          list action {
+            key "action-type";
+            leaf action-type {
+              type enumeration {
+                enum End;
+                enum End.X;
+                enum End.T;
+                enum End.DX2;
+                enum End.DX6;
+                enum End.DX4;
+                enum End.DT6;
+                enum End.B6;
+                enum End.B6.Encaps;
+              }
+            }
+            leaf-list segments {
+              when "../action-type = 'End.B6' || ../action-type = 'End.B6.Encaps'";
+              type inet:ipv6-address;
+              /* mandatory true; */
+            }
+            leaf nh6 {
+              when "../action-type = 'End.X' || ../action-type = 'End.DX6'";
+              type inet:ipv6-address;
+              /* mandatory true; */
+			}
+            leaf table {
+              when "../action-type = 'End.T' || ../action-type = 'End.DT6'";
+              type uint8 {
+                range 1..255;
+              }
+              /* mandatory true; */
+            }
+            leaf oif {
+              when "../action-type = 'End.DX2'";
+              type string;
+              /* mandatory true; */
+              description "Output interface name";
+            }
+            leaf nh4 {
+              when "../action-type = 'End.DX4'";
+              type inet:ipv4-address;
+              /* mandatory true; */
+            }
+          }
+        }
+      }
     }
     leaf nexthop-walker {
       type empty;