title: How to add UIToolbar to a NavigationController on Storyboard?
body: <p>I am not a huge fan of using Interface Builder and for that reason I am new to it.</p>
  
  <p>I am trying to add a UIToolbar to a navigation controller but because Apple documentation is always very clear, I don't have a clue.</p>
  
  <p>I am converting an old project to use Storyboards.</p>
  
  <p>This is what I have done.</p>
  
  <ol>
  <li>I have added a storyboard to the project</li>
  <li>I have added a navigation controller to it</li>
  <li>Because I want this navigation controller to show a toolbar at the bottom, I have clicked on the navigation controller and turned the toolbar on (see pic).</li>
  </ol>
  
  <p><img src="https://i.stack.imgur.com/q7yaV.png" alt="enter image description here"> </p>
  
  <p>after that, a white rectangle appeared at the bottom of the navigation controller on interface builder. I think this is a the UIToolBar or a placeholder. I have tried to drag a BarButtonItem to this "space" and Xcode allowed, showing it like this:</p>
  
  <p><img src="https://i.stack.imgur.com/z7XLf.png" alt="enter image description here"></p>
  
  <p>When I run the app, the toolbar shows as a white rectangle at the bottom but not the button.</p>
  
  <p>The button shows like this on the hierarchy:</p>
  
  <p><img src="https://i.stack.imgur.com/afO42.png" alt="enter image description here"></p>
  
  <p>I suppose the button should be inside the Toolbar item, but Xcode forbids dragging the item there.</p>
  
  <p>How do I make the button show?</p>