diff --git a/lib/gql_preferences/activity_monitor.ex b/lib/gql_preferences/activity_monitor.ex
new file mode 100644
index 0000000..22a2094
--- /dev/null
+++ b/lib/gql_preferences/activity_monitor.ex
@@ -0,0 +1,4 @@
+defmodule ActivityMonitor do
+  def update_resolver_activity(key) do
+  end
+end