How to underline a UILabel and UIButton programatically in swift 3

For Label:labelname.attributedText = NSAttributedString(string: "text", attributes:            [NSUnderlineStyleAttributeName: NSUnderlineStyle.styleSingle.rawValue])

o/p: text

For Button: let linkbuttonAttributes : [String: Any] = [NSUnderlineStyleAttributeName : NSUnderlineStyle.styleSingle.rawValue] let attributeString = NSMutableAttributedString(string: "Terms and Conditions",                                                    attributes: linkbuttonAttributes) termsofServices.setAttributedTitle(attributeString, for: .normal)

o/p: Terms and Conditions