title: Create navigation item with default Icon programatically IOS
body: <p>I want to create a navigation item "Refresh" with the default XCode refresh Icon programmatically. I know how to create one with the word "Refresh" with the following code. However, I want to have the icon insetead of the word "Refresh" Thanks for helping in advance</p>
  
  <pre><code>    let refreshButton = UIBarButtonItem(title: "Refresh", style: UIBarButtonItemStyle.Plain, target: self, action: #selector(FollowVC.refresh))
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/N4YRE.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/N4YRE.png" alt="refresh"></a></p>