SerializedClientConfig config = SerializedClientConfig
    .serializedConfig()
    .accessKey(getenv("SERIALIZED_ACCESS_KEY"))
    .secretAccessKey(getenv("SERIALIZED_SECRET_ACCESS_KEY")).build();

AggregateClient<TodoListState> todoListClient =
    aggregateClient("TodoList", TodoListState.class, config)
        .registerHandler(...)
        .build();

UUID todoListId = UUID.fromString("b19ab533-3e8d-44c1-a8ca-6ecb4ee3d1b2");

TodoList todoList = new TodoList(new TodoListState());
List<Event> events = todoList.createNew(todoListId, "My todolist");
todoListClient.save(todoListId, events);


        

UUID todoListId = UUID.fromString("b19ab533-3e8d-44c1-a8ca-6ecb4ee3d1b2");
UUID todoId = UUID.fromString("bea0a9fa-02de-42b1-8bfc-9a0a79f25777");
String todoText = "Buy milk";

todoListClient.update(todoListId, state -> {
TodoList todoList = new TodoList(state);
    List<Event> events = todoList.addTodo(todoId, todoText);
    return events;
});

ProjectionClient projectionClient = ProjectionClient.projectionClient(config).build();

ProjectionClient.projectionClient(config).createOrUpdate(
        singleProjection("completed-todos")
            .feed("TodoList")
            .addHandler(handler("TodoCompleted")
                .addFunction(merge().build())
                .withIdField("todoId")
                .build())
            .build());

CompletedTodos completedTodos = projectionClient.query(list("completed-todos")
        .sortDescending("updatedAt")
        .build(CompletedTodos.class));

completedTodos.stream().forEach(completedTodo -> {
    System.out.println("Completed: " + completedTodo.text);
});

        

ReactionClient reactionClient = ReactionClient.reactionClient(config).build();

reactionClient.createOrUpdate(newReactionDefinition("todo-list-created-notifier")
        .feed("TodoList")
        .reactOnEventType("TodoListCreated")
        .action(slackAction(
            URI.create("https://hooks.slack.com/services/ABC/123"))
            .text("The todo list ${event.data.name} was created!")
            .build()
        ).build());

FeedClient feedClient = FeedClient.feedClient(config).build();

feedClient.feed("TodoList").subscribe(feedEntry -> {
    // Process entry
});