How to use

Identifier

function

in

Characteristic

config.inputsources.forEach((src, i) => {
          const id = i + 1;
          const inputService = acc.addService(Service.InputSource, src.name, src.name);
          inputService
            .setCharacteristic(Characteristic.Identifier, id)
            .setCharacteristic(Characteristic.ConfiguredName, src.name)
            .setCharacteristic(Characteristic.IsConfigured, Characteristic.IsConfigured.CONFIGURED)
            .setCharacteristic(Characteristic.InputSourceType, src.type)
            .setCharacteristic(Characteristic.CurrentVisibilityState, Characteristic.CurrentVisibilityState.SHOWN)
            .setCharacteristic(Characteristic.TargetVisibilityState, Characteristic.TargetVisibilityState.SHOWN);

          tvService.addLinkedService(inputService);
        });