Althought there is no checkbox for room notify. We can enable desktop notification by editing the API URL.

To enable desktop notification:

  1. Go to Admin (the Gear icon) > Hooks > HipChat > Edit
  2. Update API URL to
  3. Save

If you did not have a HipChat hook yet. Select HipChat from dropdown, hit Add hook and fill in RoomID and Token to add it.

The difference (Default) (Enable desktop notification)

Inspired by this comment