iPhone how to get UITextField's text while typing?

Question

I\'m trying to show changes made to a UITextField on a separate UILabel. Is there a way to capture full text of the UITextField after

Answer 1

Swift with addTarget Swift 2.0+

   titleTextField.addTarget(self, action: #selector(textFieldTyping), forControlEvents: .EditingChanged)

And implement selector

func textFieldTyping(textField:UITextField)
{
    //Typing
}