Observer Protocol Reference


                    
                    
                    notification

name of our notiication

Swift

var notification: Notification.Name { get }

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key

type of change

Swift

var key: String { get }

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                    value

associated value

Swift

var value: String { get }

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                    subscribe()

Begin observing

Swift

func subscribe()

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                    unsubscribe()

Stop observing

Swift

func unsubscribe()

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