Extension to scroll a UIScrollView to the bottom

UIScrollView.swift

extension UIScrollView {

    func scrollToBottom() {
        let bottomOffset = CGPoint(x: 0,
                                   y: contentSize.height - bounds.size.height + contentInset.bottom)

        if(bottomOffset.y > 0) {
            setContentOffset(bottomOffset, animated: true)
        }
    }

}