diff --git a/hub_api/city_commands.py b/hub_api/city_commands.py
index dbf3522..e190ec3 100644
--- a/hub_api/city_commands.py
+++ b/hub_api/city_commands.py
@@ -11,52 +11,88 @@ from imports.user_factory import UserFactory
 from exports.user_factory import UserFactory as ExUserFactory
 import os
 from hub_logger import logger
+from hub_api.helpers.session_helper import refresh_session
 from hub_api.helpers.auth import generate_auth_token, role_required
 from persistence.models import UserRoles
 
-#Admin commands
-
+#Admin user commands
+"""
+SaveCity class
+"""
 class SaveCity(Resource):
     def __init__(self):
         print()
 
     @role_required([UserRoles.Admin.value])
     def put(self):
+        session = refresh_session(request)
+        if session is None:
+            return Response(json.dumps({'error': 'invalid session'}), status=401)
+        headers = session.headers
 
 
+"""
+UpdateCity class
+"""
 class UpdateCity(Resource):
     def __init__(self):
         print()
 
     @role_required([UserRoles.Admin.value])
     def put(self):
-
-    class UpdateCity(Resource):
-
+        session = refresh_session(request)
+        if session is None:
+            return Response(json.dumps({'error': 'invalid session'}), status=401)
+        headers = session.headers
+"""
+DeleteCity class
+"""
 class DeleteCity(Resource):
     def __init__(self):
         print()
 
     @role_required([UserRoles.Admin.value])
     def delete(self):
+        session = refresh_session(request)
+        if session is None:
+            return Response(json.dumps({'error': 'invalid session'}), status=401)
+        headers = session.headers
 
 #Standard user commands
-
+"""
+ListCities class
+"""
 class ListCities(Resource):
     def __init__(self):
         print()
 
     @role_required([UserRoles.Admin.value])
     def put(self):
-
+        session = refresh_session(request)
+        if session is None:
+            return Response(json.dumps({'error': 'invalid session'}), status=401)
+        headers = session.headers
+"""
+SearchCity class
+"""
 class SearchCity(Resource):
     def __init__(self):
         print()
 
     def get(self):
+        session = refresh_session(request)
+        if session is None:
+            return Response(json.dumps({'error': 'invalid session'}), status=401)
+        headers = session.headers
+"""
+UpdateCity class
+"""
+class UpdateCity(Resource):
+    def __init__(self):
+        print()
 
-    class UpdateCity(Resource):
-        def __init__(self):
-            print()
-
-        def get(self):
\ No newline at end of file
+    def get(self):
+        session = refresh_session(request)
+        if session is None:
+            return Response(json.dumps({'error': 'invalid session'}), status=401)
+        headers = session.headers
\ No newline at end of file