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

There is no api, but you need set textContentType as .oneTimeCode of UITextField property

otpTextField.textContentType = .oneTimeCode

one more thing,

If you use a custom input view for text field, iOS cannot display the necessary AutoFill UI.

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