<!DOCTYPE html>
<script src="stash-utils.sub.js"></script>
<script>
  const queryParams = new URLSearchParams(window.location.search);
  const key = queryParams.get('key');
  if (key) {
    window.portalHost.onmessage = () => {
      StashUtils.putValue(key, 'failed');
    };
  }
</script>
