symfony
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‎service_container.rst‎
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@@ -60,7 +60,7 @@ so Symfony doesn't try to get/set its value from the related entity::
 
     class ProductType extends AbstractType
     {
-        public function buildForm(FormBuilderInterface $builder, array $options)
+        public function buildForm(FormBuilderInterface $builder, array $options): void
         {
             $builder
                 // ...
 
@@ -948,6 +948,17 @@ you don't need to do *anything*: the service will be automatically loaded. Then,
 implements ``Twig\Extension\ExtensionInterface``. And thanks to ``autowire``, you can even add
 constructor arguments without any configuration.
 
+Autconfiguration also works with attributes. Some attributes like
+:class:`Symfony\\Component\\Messenger\\Attribute\\AsMessageHandler`,
+:class:`Symfony\\Component\\EventDispatcher\\Attribute\\AsEventListener` and
+:class:`Symfony\\Component\\Console\\Attribute\\AsCommand` are registered
+for autoconfiguration. Any class using these attributes will have tags applied
+to them.
+
+.. versionadded:: 5.3
+
+    Autoconfiguration through attributes was introduced in Symfony 5.3.
+
 Linting Service Definitions
 ---------------------------
Original file line number	Diff line number	Diff line change
`@@ -60,7 +60,7 @@ so Symfony doesn't try to get/set its value from the related entity::`
`60`	`60`
`61`	`61`	`class ProductType extends AbstractType`
`62`	`62`	`{`
`63`		`- public function buildForm(FormBuilderInterface $builder, array $options)`
	`63`	`+ public function buildForm(FormBuilderInterface $builder, array $options): void`
`64`	`64`	`{`
`65`	`65`	`$builder`
`66`	`66`	`// ...`