Instance Method


Invoked when you discover the descriptors of a specified characteristic.


optional func peripheral(_ peripheral: CBPeripheral, didDiscoverDescriptorsFor characteristic: CBCharacteristic, error: Error?)



The peripheral providing this information.


The characteristic that the characteristic descriptors belong to.


If an error occurred, the cause of the failure.


This method is invoked when your app calls the discoverDescriptors(for:) method. If the characteristic descriptors of the specified characteristic are successfully discovered, you can access them through the characteristic’s descriptors property. If successful, the error parameter is nil. If unsuccessful, the error parameter returns the cause of the failure.

See Also

Discovering Characteristics and Characteristic Descriptors

func peripheral(CBPeripheral, didDiscoverCharacteristicsFor: CBService, error: Error?)

Invoked when you discover the characteristics of a specified service.

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