How to correctly dismiss a UINavigationController that's presented as a modal?

Question

In my TabBarViewController, I create a UINavigationController and present it as a modal.

var navController =  UINavigationController()
let messageVC         


        

Answer 1

You can use the following to correctly dismiss a UINavigationController that's presented as a modal in Swift 4:

self.navigationController?.popViewController(animated: true)