> ## Documentation Index
> Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Add custom persistence

> How to add custom persistence in Atoti Limits, covering the primary use cases: overriding default managed objects, adding managed objects, extending CRUD services, and connecting to multiple databases

This section describes how to add custom persistence in Atoti Limits. The primary cases are:

* [Overriding default managed objects](./custom-persistence/override-default-managed-objects)
* [Adding managed objects](./custom-persistence/custom-managed-objects)
* [Extending the CRUD services](./custom-persistence/custom-crud-services)
* [Using multiple databases](./custom-persistence/multiple-external-databases)