# openTCS 5.5.0 Injection API documentation

This is the description of the openTCS injection API.

Tutorials/code examples can be found in the developer's guide that is also part of the openTCS distribution.

Classes supporting customization of openTCS applications
Package | Description
--- | ---
org.opentcs.customizations | Classes utilized for extending and customizing openTCS applications.
org.opentcs.customizations.controlcenter | Components supporting extension and customization of the openTCS kernel control center application.
org.opentcs.customizations.kernel | Components supporting extension and customization of the openTCS kernel application.
org.opentcs.customizations.plantoverview | Components supporting extension and customization of the openTCS plant overview application.