Invoked when a remote central device subscribes to a characteristic’s value.
- iOS 6.0+
- macOS 10.9+
- tvOS 9.0+
- watchOS 4.0+
- Mac Catalyst 13.0+Beta
- Core Bluetooth
The peripheral manager providing this information.
The remote central device that subscribed to the characteristic’s value.
The characteristic whose value has been subscribed to.
This method is invoked when a remote central device subscribes to the value of one of the local peripheral’s characteristics, by enabling notifications or indications on the characteristic’s value. You should use the invocation of this method as a cue to start sending the subscribed central updates as the characteristic’s value changes. To send updated characteristic values to subscribed centrals, use the
update method of the