title: New Facebook SDK FBSession sessionOpenWithPermissions
body: <p>I've been trying to develop iOS app using Facebook and I'm new. So I've been trying to make </p>
  
  <p>a login with Facebook, followed a tutorial on Facebook and try to implement it.</p>
  
  <p>But I've encountered, <code>[FBSession sessionOpenWithPermissions]</code> not found. When I run the </p>
  
  <p>app, it will force close and say that error. When build the project, it will show warning </p>
  
  <p>yellow exclamation that <code>sessionOpenWithPermission</code> is not found in <code>FBSession</code></p>
  
  <p>The tutorial outdated? If it is, then what is the new code for the new Facebook SDK for </p>
  
  <p>sessionOpenWithPermission ?</p>