PageOneVC:UIViewController
PageTwoVC:UIViewController
PageThreeVC:UIViewController
PageFourVC:UIViewController
var pages:[UIViewController] = [
UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "PageOneVC"),
UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "PageTwoVC"),
UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "PageThreeVC"),
UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "PageFourVC")
]
let parentVC = self.parent as! UserDetailsPVC
parentVC.setViewControllers([parentVC.pages[1]], direction: .forward, animated: true, completion: nil)