Could not cast value of type 'UINavigationController'

Question

I am implementing a search interface for my application, so basically I will pass the search keyword from one ViewController to another ViewController.

I have done this

Answer 1

Answering my own question. In this case we need to access the child view by doing something like this:

let nav = segue?.destinationViewController as! UINavigationController
let svc = nav.topViewController as! SearchViewController
svc.toPassSearchKeyword = searchKeyword;