UIAccessibilitySpeechAttributeQueueAnnouncement
A key that indicates whether to queue an announcement behind existing speech or to interrupt it.
Declaration
extern NSAttributedStringKey const UIAccessibilitySpeechAttributeQueueAnnouncement;Overview
The value of this key is an NSNumber object that the system interprets as a Boolean value. When the value is YES, the system queues the announcement behind existing speech. When the value is NO, the announcement interrupts the existing speech. The default behavior is to interrupt existing speech.