UIUserNotificationTextInputActionButtonTitleKey
The key for specifying the title of the text input button.
Declaration
let UIUserNotificationTextInputActionButtonTitleKey: StringDescription
The value of this key is an NSString object. When the user chooses to provide a text response to a notification, UIKit displays an interface for entering that response. The value of this key is used on the button that the user taps to accept that text and attach it to the notification.