classYourViewController: UIViewController, AtlasXTextFieldDelgate {}<em>// You can add AtlasXTextField in Custom class to work with IBOutlet</em> @IBOutletweakvartextField: AtlasXTextField!overridefuncviewDidLoad() {textField.setupDelegate(self)textField.setup(type: .IntNumber(min: -4000, max: 15000, isCurrency: Bool = true), isRequired: true)<em>// Your code..</em> }<em>// AtlasXTextFieldDelgate</em>funcdidEditingChanged(_sender: AtlasXTextField) {print(sender)print(self.textField.isValid) }}