Invoked when a local peripheral device receives an Attribute Protocol (ATT) read request for a characteristic that has a dynamic 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.
CBATTRequestobject that represents a request to read a characteristic’s value.