public async Task SC02_DomainAsync() { var eventStore = new CosmosDBEventStore(EndpointUri, AuthKey, Database); // Request parameters. var meterId = "2"; var postalCode = "111 64"; var houseNumber = "4"; var activationCode = "supersecret"; // 1. New domain object. var meter = new Meter(meterId, postalCode, houseNumber, activationCode); var repository = new MeterRepository(eventStore); var succes = await repository.SaveMeterAsync(meter); Assert.IsTrue(succes, "Unexpected stream version encountered."); // 2. Call business logic on domain object. meter = await repository.LoadMeterAsync(meterId); meter.Activate(activationCode); succes = await repository.SaveMeterAsync(meter); Assert.IsTrue(succes, "Unexpected stream version encountered."); }