How to add a navigation controller programmatically in code but not as initial view controller

Question

I am relatively new to swift and iOS and can\'t find an answer or any help for my problem that works.

I want to create a navigation controller view when I click on a

Answer 1

var objVC: UIViewController? = storyboard.instantiateViewController(withIdentifier: "ViewController")

var aObjNavi = UINavigationController(rootViewController: objVC)

Now, instead of using view controller object use navigation controller object.