let pager = PagerView(frame: CGRect(x: 0, y: 100, width: view.frame.size.width, height: 70), tabs: ["tab 1","tab 2","tab 3","tab 4"]) pager.delegate = self self.view.addSubview(pager)

Implement the delegate method:

func didTapAtIndex(index: Int) { print("tap: (index)") }