title: How do I orderbychild and archive latest message to appear on top?
body: <p>I am trying to order new items to appear on top but it seems I am not able to reach the receiver id in order for me to add it to the query , My current query does not archive the desired result since nothing changes on the recyclerview whenever i run the app.</p>
  <p>please help</p>
  <p>this is my database structure</p>
  <p><a href="https://i.stack.imgur.com/DLMx3.png" rel="nofollow noreferrer">enter image description here</a></p>
  <p>this is my reference</p>
  <p><a href="https://i.stack.imgur.com/0PcI2.png" rel="nofollow noreferrer">enter image description here</a></p>
  <p>Here is my query</p>
  <p><a href="https://i.stack.imgur.com/YixKA.png" rel="nofollow noreferrer">enter image description here</a></p>