..  include:: /Includes.rst.txt
..  index:: Events, Hooks
..  _hooks:

================
Events and hooks
================

Events and hooks provide an easy way to extend the functionality of the TYPO3 Core and
its extensions without blocking others to do the same.

..  versionchanged:: 12.0
    Signals and slots and all related classes have been removed from the
    Core. Use :ref:`PSR-14 events <EventDispatcher>` instead.


**Contents:**

..  toctree::
    :titlesonly:
    :maxdepth: 1

    Concept/Index
    EventDispatcher/Index
    Events/Index
    Hooks/Index
    JavaScript/Index