title: How to get Total reach using facebook insight Graph api
body: <p>anyone can help on facebook insights? I'm trying to get the Total Reach using facebook graph API.</p>
  
  <p>Here's my example:</p>
  
  <p><a href="http://www.screencast.com/t/1deguhkEuMb" rel="nofollow">http://www.screencast.com/t/1deguhkEuMb</a></p>
  
  <p>I've been trying these following metrics:</p>
  
  <ul>
  <li>/page_impressions_frequency_distribution</li>
  <li>/page_impressions_viral_frequency_distribution</li>
  </ul>
  
  <p>But I still can't get the right value for the Total Reach.</p>
  
  <p>Anybody can help me?</p>
  
  <p>Thanks in advance.</p>