How to add / use default icons to navigation bar

Question

I want to use some of default iOS icons i.e.

in navigation bar.
Basically I don\'t know how to call image of that item (directly from native library - I kno

Answer 1

In swift 4.3

let btnRefresh = UIBarButtonItem(barButtonSystemItem: UIBarButtonItem.SystemItem.refresh, target: self, action: #selector(targeted function to invoke))

   //If you want icon in left side
    navigationItem.leftBarButtonItem = btnRefresh

   //If you want icon in right side
    navigationItem.rightBarButtonItem = btnRefresh