Drupal Module: ECA

https://www.drupal.org/project/eca

ECA is a powerful, versatile, and user-friendly rules engine for Drupal 9+. The core module is a processor that validates and executes event-condition-action plugins. Integrated with graphical user interfaces like BPMN.iO, Camunda, ECA Core Modeller or other possible future modellers, ECA is a robust system for building conditionally triggered action sets.

Full show at www.talkingdrupal.com/375 ... https://www.youtube.com/watch?v=DV_uxJn4w7c