With EA-Matic you can develop add-ins for Enterprise Architect using the built-in scripting feature of EA.
This example shows how to make diagrams that maintain themselves to make sure they are always up-to-date.
The idea is that we want a diagram that shows all the relations of the owning object. The diagram should always be up-to-date without manual intervention.
To indicate that this diagram is an automatic diagram we nest it under the class and prefix it with AUTO_ and on the diagram we place the owning object and its related elements