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-rw-r--r--device/bluetooth/bluetooth_gatt_characteristic.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/device/bluetooth/bluetooth_gatt_characteristic.h b/device/bluetooth/bluetooth_gatt_characteristic.h
index 6dabe87..8cce601 100644
--- a/device/bluetooth/bluetooth_gatt_characteristic.h
+++ b/device/bluetooth/bluetooth_gatt_characteristic.h
@@ -181,6 +181,12 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothGattCharacteristic {
// notifications/indications. On success, the characteristic starts sending
// value notifications and |callback| is called with a session object whose
// ownership belongs to the caller. |error_callback| is called on errors.
+ //
+ // Writes to the Client Characteristic Configuration descriptor to enable
+ // notifications/indications. Core Bluetooth Specification [V4.2 Vol 3 Part G
+ // Section 3.3.1.1. Characteristic Properties] requires this descriptor to be
+ // present when notifications/indications are supported. If the descriptor is
+ // not present |error_callback| will be run.
virtual void StartNotifySession(const NotifySessionCallback& callback,
const ErrorCallback& error_callback) = 0;