How to add Observer to Magnolia CMS

JCR Node Manipulation Observation: When you want to monitor any actions taken on your JCR node, eg: Create, Update, Read, Delete... It's very easy to do it in Magnolia CMS

Magnolia has mechanism to manage observation, it's Observation module. You can find this module in Magnolia\Configuration app

In there, you can add your observer (class), and register any actions as your wish, workspace, node type, path, including sub-nodes? and other options. There are already many built-in observers in there for your reference

And your observation class should extend BaseRepositoryCommand, and look like below