diff --git a/netconf/nc_rpc/rpc.py b/netconf/nc_rpc/rpc.py
index ff9b303..fb35313 100644
--- a/netconf/nc_rpc/rpc.py
+++ b/netconf/nc_rpc/rpc.py
@@ -22,11 +22,13 @@
 import io
 
 class Rpc(object):
-    def __init__(self,rpc_request, rpc_method, grpc_client, session):
+    def __init__(self,rpc_request, rpc_method, voltha_method_ref,
+                 grpc_client, session):
         self.rpc_request = rpc_request
         self.rpc_method = rpc_method
         self.rpc_response = RpcResponse()
         self.grpc_client =  grpc_client
+        self.voltha_method_ref = voltha_method_ref
         self.session = session
 
     def execute(self):