update doc with named keyword

docs/en/reference/dql-doctrine-query-language.rst

@@ -609,23 +609,21 @@ You can also nest several DTO :
 Note that you can only pass scalar expressions or other Data Transfer Objects to the constructor.
 
 If you use your data-transfer objects for multiple queries but not necessarily with the same parameters,
-you can use named arguments or variadic arguments, add ``WithNamedArguments`` to your Dto :
+you can use named arguments or variadic arguments, add ``named`` keyword in your DQL querie before your Dto :
 
 .. code-block:: php
 
     <?php
 
-    use Doctrine\ORM\WithNamedArguments;
-
-    class CustomerDTO implements WithNamedArguments
+    class CustomerDTO
     {
         public function __construct(
                 public string|null $name = null,
                 public string|null $email = null,
                 public string|null $city = null,
                 public mixed|null $value = null,
-        )
-        {
+                public AddressDTO|null $address = null,
+        ) {
         }
     }
 
@@ -634,7 +632,7 @@ And then you can select the fields you want in the order you want, and the ORM w
 .. code-block:: php
 
     <?php
-    $query = $em->createQuery('SELECT NEW CustomerDTO(a.city, c.name) FROM Customer c JOIN c.address a');
+    $query = $em->createQuery('SELECT NEW NAMED CustomerDTO(a.city, c.name) FROM Customer c JOIN c.address a');
     $users = $query->getResult(); // array of CustomerDTO
 
     // CustomerDTO => {name : 'SMITH', email: null, city: 'London', value: null}
@@ -644,7 +642,7 @@ ORM will also look column aliases before columns names :
 .. code-block:: php
 
     <?php
-    $query = $em->createQuery('SELECT NEW CustomerDTO(c.name, CONCAT(a.city, ' ' , a.zip) AS value) FROM Customer c JOIN c.address a');
+    $query = $em->createQuery('SELECT NEW NAMED CustomerDTO(c.name, CONCAT(a.city, ' ' , a.zip) AS value) FROM Customer c JOIN c.address a');
     $users = $query->getResult(); // array of CustomerDTO
 
 	// CustomerDTO => {name : 'DOE', email: null, city: null, value: 'New York 10011'}
@@ -654,7 +652,17 @@ For aliases a field you can use SQL notation with `AS` keyword, or the PHP named
 .. code-block:: php
 
 	<?php
-	$query = $em->createQuery('SELECT NEW CustomerDTO(name: c.name, value: CONCAT(a.city, ' ' , a.zip)) FROM Customer c JOIN c.address a');
+	$query = $em->createQuery('SELECT NEW NAMED CustomerDTO(name: c.name, value: CONCAT(a.city, ' ' , a.zip)) FROM Customer c JOIN c.address a');
+	$users = $query->getResult(); // array of CustomerDTO
+
+	// CustomerDTO => {name : 'DOE', email: null, city: null, value: 'New York 10011'}
+
+The `NAMED` keywork must be added to all dto you want to instantiate :
+
+.. code-block:: php
+
+	<?php
+	$query = $em->createQuery('SELECT NEW NAMED CustomerDTO(name: c.name, address: NEW NAMED AddressDTO(a.street, a.city, a.zip)) FROM Customer c JOIN c.address a');
 	$users = $query->getResult(); // array of CustomerDTO
 
 	// CustomerDTO => {name : 'DOE', email: null, city: null, value: 'New York 10011'}