# Embed and extend PDI functionality

You may want to develop custom plugins to extend Pentaho Data Integration (PDI) functionality or to embed the PDI engine into your own Java applications. To aid experienced Java developers, we provide Java classes and methods, as well as sample Eclipse-based projects with detailed code-level documentation. These instructions will show you how to approach your plugin project. We recommended that you open the related sample project and follow along.

When reading these instructions, we recommended that you open the related sample project and follow along. This article provides Java classes and methods, as well as sample Eclipse-based projects with detailed code-level documentation.

**Note:** Unless specifically stated otherwise, developing custom plugins and extending or embedding PDI is not covered under the standard Pentaho customer support agreement.

For information on embedding and extending PDI functionality, see the following topics:

* [Get started with the sample PDI project](/pdia-admin/embed-and-extend-pentaho-functionality-cp/embed-and-extend-pdi-functionality/get-started-with-the-sample-pdi-project.md)
* [Embed Pentaho Data Integration](/pdia-admin/embed-and-extend-pentaho-functionality-cp/embed-and-extend-pdi-functionality/embed-pentaho-data-integration.md)
* [Extend Pentaho Data Integration](/pdia-admin/embed-and-extend-pentaho-functionality-cp/embed-and-extend-pdi-functionality/extend-pentaho-data-integration.md)


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