Configuring Extensions to the IntelliJ IDEA Core
This topic explains how you can create a plugin that contributes to extension points declared in the IntelliJ IDEA core.
From this page, you can also download a sample plugin illustrating how to contribute to the applicationConfigurable extenstion point.
How to Get the Extension Points List?
To get a list of extension points available in the IntelliJ IDEA core, consult the <extensionPoints> section of the following XML configuration files: