// we fetch the EventStore from the application context
EventStore eventStore = applicationContext.getBean(EventStore.class);
// we append some events. Notice we append a "ToDoItemCreatedEvent".
eventStore.appendEvents("UpcasterSample", new SimpleDomainEventStream(
new GenericDomainEventMessage("todo1", 0, new ToDoItemCreatedEvent("todo1", "I need to do this today")),
new GenericDomainEventMessage("todo1", 1, new ToDoItemCompletedEvent("todo1"))
));
eventStore.appendEvents("UpcasterSample", new SimpleDomainEventStream(
new GenericDomainEventMessage("todo2", 0, new ToDoItemCreatedEvent("todo2", "I also need to do this"))