Introduction to ECA at Drupal Camp NYC presenting the new rules engine for Drupal 9+ by Jürgen Haas and Richard Papp. Discusses the limitations of existing Rules alternatives, demonstrates ECA workflows, explains the lean processor architecture that only depends on Drupal core, showcases the BPMN modeler, and outlines the project roadmap. Community-focused session with discussion time for feedback and questions from NYC Drupal developers.