[Security] Add argument exceptionCode to #[IsGranted]

Author: alexandre-daubois

security.rst

@@ -2306,10 +2306,30 @@ the ``ROLE_SUPER_ADMIN`` permission:
         }
     }
 
+When using ``#[IsGranted()]``, you can set the internal exception code
+of the :class:`Symfony\\Component\\Security\\Core\\Exception\\AccessDeniedException`
+that is thrown, thanks to the ``exceptionCode`` argument::
+
+    // src/Controller/AdminController.php
+    // ...
+
+    use Symfony\Component\Security\Http\Attribute\IsGranted;
+
+    #[IsGranted('ROLE_ADMIN', statusCode: 403, exceptionCode: 10010)]
+    class AdminController extends AbstractController
+    {
+        // ...
+    }
+
 .. versionadded:: 6.2
 
     The ``#[IsGranted()]`` attribute was introduced in Symfony 6.2.
 
+.. versionadded:: 6.3
+
+    The ``exceptionCode`` argument of the ``#[IsGranted()]`` attribute was
+    introduced in Symfony 6.3.
+
 .. _security-template:
 
 Access Control in Templates