title: App Group in Today's Extension Swift 3.0
body: <p>I am developing a <strong>Today's Extension</strong> of an app. I am having some problems regarding <strong>App Groups</strong> that are used as <code>shared containers</code> between extension and containing app.</p>
  
  <ol>
  <li><p>Where is the <strong>App Group</strong> data stored?</p></li>
  <li><p>How to see what data is stored in the <strong>App Group</strong>?</p></li>
  </ol>