title: Facebook Graph API return error when call Business Discovery API
body: <p>When I call the api:</p>
  
  <pre><code> graph.facebook.com/userid?fields=business_discovery.username(name){followers_count,media_count}
  </code></pre>
  
  <p>in Graph API explore, I got an invalid parameter error:</p>
  
  <blockquote>
    <p>(#100) Tried accessing nonexisting field (business_discovery) on node type (User)</p>
  </blockquote>
  
  <p>Could anyone please explain to me what I miss in the API url?</p>
  
  <p>Thanks</p>
  
  <p><a href="https://i.stack.imgur.com/70dkT.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/70dkT.png" alt="enter image description here"></a></p>