buildMongoDbInput(UUID.randomUUID(), inputDescription, userName, createdAt, bundleId));
// Persist input.
final String persistId = inputService.save(mongoInput);
messageInput.setPersistId(persistId);
messageInput.initialize();
addStaticFields(messageInput, inputDescription.getStaticFields());
addExtractors(messageInput, inputDescription.getExtractors(), userName);
return messageInput;