diff --git a/jupyter/base/values/values.yaml b/jupyter/base/values/values.yaml
index 9a49a2a..d6a82a5 100644
--- a/jupyter/base/values/values.yaml
+++ b/jupyter/base/values/values.yaml
@@ -107,9 +107,26 @@ hub:
       c.NextcloudOAuthenticator.allow_all = True
       c.NextcloudOAuthenticator.refresh_pre_spawn = True
       c.NextcloudOAuthenticator.enable_auth_state = True
-      c.NextcloudOAuthenticator.auth_refresh_age = 60
+      c.NextcloudOAuthenticator.auth_refresh_age = 3600
       c.NextcloudOAuthenticator.post_auth_hook = post_auth_hook
 
+    serviceCode: |
+      from jupyter_server.base.handlers import JupyterHandler
+      import tornado
+
+
+      class MyExtensionHandler(JupyterHandler):
+          @tornado.web.authenticated
+          def get(self):
+            print("Hello World")
+
+      def _load_jupyter_server_extension(serverapp: jupyter_server.serverapp.ServerApp):
+        """
+        This function is called when the extension is loaded.
+        """
+        handlers = [("/nextcloud/token", NextcloudExtensionHandler)]
+        serverapp.web_app.add_handlers(".*$", handlers)
+
   extraEnv:
     NEXTCLOUD_DEBUG_OAUTH: "yes"
     NEXTCLOUD_HOST: sunet.drive.test.sunet.se