diff --git a/app/models/notification_service.rb b/app/models/notification_service.rb
index 4dd08ba..c71b948 100644
--- a/app/models/notification_service.rb
+++ b/app/models/notification_service.rb
@@ -5,6 +5,9 @@ class NotificationService
   default_url_options[:host] = ActionMailer::Base.default_url_options[:host]
 
   field :room_id, :type => String
+  field :user_id, :type => String
+  field :service_url, :type => String
+  field :service, :type => String
   field :api_token, :type => String
   field :subdomain, :type => String
   field :sender_name, :type => String
--
libgit2 0.21.2