iOS 12 SMS Reading API?

Question

In Beta version of iOS 12 I have observed it gives OTP(from SMS) in keyboard suggestion.
So is there any API which they have created for developers ? Or that would just

Answer 1

No there is no public API for that. It is automatically handled by OS. You just need to set UITextField's input view’s textContentType property to oneTimeCode.

textField.textContentType = .oneTimeCode