title: How to do error tracking with firebase analytics for specific user?
body: <p>I want to track when an error happened - the user clicks  BUTTON AND nothing happens ( this kind of error )
  I am using <a href="https://firebase.google.com/docs/analytics/get-started" rel="nofollow noreferrer">Firebase Analytics</a> and can log an event with usr_id also.
  Now I want to filter specific userId all the events with a timestamp. I have not yet found out in the documentation.
  How can I ACHIEVE THIS?</p>