Swift iOS: how to trigger next page using buttons

Question

I have a QuizViewController which extends UIViewController, UIPageControllerDelegate, and a UIPageView

Answer 1

Swift 4.2 Very easy way to move on your desire View Controller

//MARK:- Programatically move to Next Page or Previous Page
//Your Desire index in Your UIViewController Array
    let arr : [UIViewController] = [arrvc[1]] 
    pagecontroller.setViewControllers(arr,
                                    direction: UIPageViewController.NavigationDirection.reverse,
                                    animated: true,
                                    completion: nil)