intellij-sdk-code-samples/basics/plugin_structure/plugin_actions.md

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Plugin Actions

The IntelliJ Platform provides the concept of actions. An action is a class, derived from the AnAction class, whose actionPerformed() method is called when the menu item or toolbar button is selected.

Actions are the most common way for a user to invoke the functionality of your plugin. An action can be invoked from a menu or a toolbar, using a keyboard shortcut, or from the Find Action interface.

Actions are organized into groups, which, in turn, can contain other groups. A group of actions can form a toolbar or a menu. Subgroups of the group can form submenus of a menu. You can find detailed information on how to create and register your actions in the IntelliJ Platform Action System.