The getCharacteristic() method of the BluetoothUUID interface returns a UUID representing a registered characteristic when passed a name or the 16- or 32-bit UUID alias.

name

A string containing the name of the characteristic.

A 128-bit UUID.

TypeError

Thrown if name does not appear in the registry.

In the following example the UUID representing the characteristic named apparent_wind_direction is returned and printed to the console.

let result = BluetoothUUID.getCharacteristic("apparent_wind_direction");
console.log(result); // "00002a73-0000-1000-8000-00805f9b34fb"