Add configuration code example

Author: TristanPouliquen

security/access_control.rst

@@ -169,6 +169,50 @@ if ``ip``, ``port``, ``host`` or ``method`` are not specified for an entry, that
 .. versionadded:: 6.1
 
     From verison 6.1 and up, if you have a custom request matcher, you can use the ``request_matcher`` option to specify the service reference to an access control item. Symfony will use this service as the request matcher for this item and won't take into account other matching options. 
+    
+    .. configuration-block::
+    
+        .. code-block:: yaml
+        
+        # config/packages/security.yaml
+            security:
+                # ...
+                access_control:
+                    - { roles: ROLE_USER, request_matcher: App\Security\RequestMatcher\MyRequestMatcher }
+
+        .. code-block:: xml
+        
+            <!-- config/packages/security.xml -->
+            <?xml version="1.0" encoding="UTF-8" ?>
+            <srv:container xmlns="http://symfony.com/schema/dic/security"
+                xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                xmlns:srv="http://symfony.com/schema/dic/services"
+                xsi:schemaLocation="http://symfony.com/schema/dic/services
+                    https://symfony.com/schema/dic/services/services-1.0.xsd
+                    http://symfony.com/schema/dic/security
+                    https://symfony.com/schema/dic/security/security-1.0.xsd">
+
+                <config>
+                    <!-- ... -->
+                    <rule role="ROLE_USER" request-matcher="App\Security\RequestMatcher\MyRequestMatcher"/>
+                </config>
+            </srv:container>
+        
+        .. code-block:: php
+        
+            // config/packages/security.php
+            use Symfony\Component\DependencyInjection\ContainerBuilder;
+            use Symfony\Config\SecurityConfig;
+
+            return static function (ContainerBuilder $container, SecurityConfig $security) {
+                // ...
+
+                $security->accessControl()
+                    ->roles(['ROLE_USER'])
+                    ->requestMatcher('App\Security\RequestMatcher\MyRequestMatcher')
+                ;
+            };
+        
 
 .. _security-access-control-enforcement-options: