Audience asks whether Trailblazer can be combined with event sourcing and CQRS. Nick Sutterer notes Trailblazer 2.1 applies BPMN conventions to process modeling, and its events are the same events as in event sourcing. A real client is already using Eventide together with Trailblazer: the controller action triggers events transported by Eventide, with Trailblazer handling the business logic layer.