title: In ShareKit, how can I get the user's Facebook user name?
body: <p>I'm using ShareKit and have verified that the user is logged in to Facebook. I want to get their Facebook user name. Here's what I tried:</p>
  
  <pre><code>SHKFacebook *facebook = [[SHKFacebook alloc] init];
  [facebook getAuthValueForKey:@"username"];
  </code></pre>
  
  <p>The <code>getAuthValueForKey:</code> method isn't returning anything to me. How can I get their Facebook user name?</p>