From 3f0bf94b2a5a93df1950fa06588777032e4f02c3 Mon Sep 17 00:00:00 2001
From: Nyholm <tobias.nyholm@gmail.com>
Date: Sat, 5 Dec 2020 17:28:42 +0100
Subject: [PATCH] [EventDispatcher] Show partial matching for
 debug:event-dispatcher

---
 event_dispatcher.rst | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/event_dispatcher.rst b/event_dispatcher.rst
index ed6740cc162..038a405b10b 100644
--- a/event_dispatcher.rst
+++ b/event_dispatcher.rst
@@ -322,6 +322,17 @@ its name:
 
     $ php bin/console debug:event-dispatcher kernel.exception
 
+or can get everything which partial matches the event name:
+
+.. code-block:: terminal
+
+    $ php bin/console debug:event-dispatcher kernel // matches "kernel.exception", "kernel.response" etc.
+    $ php bin/console debug:event-dispatcher Security // matches "Symfony\Component\Security\Http\Event\CheckPassportEvent"
+
+.. versionadded:: 5.3
+
+    The ability to match partial event names was introduced in Symfony 5.3.
+
 The :doc:`new experimental Security </security/experimental_authenticators>`
 system adds an event dispatcher per firewall. Use the ``--dispatcher`` option to
 get the registered listeners for a particular event dispatcher: