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[Messenger] Document #[AsMessage] attribute #20003

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javiereguiluz merged 1 commit into from
Oct 16, 2024
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[Messenger] Document #[AsMessage] attribute #20003

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49 changes: 49 additions & 0 deletions messenger.rst
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Expand Up @@ -345,6 +345,55 @@ to multiple transports:
name as its only argument. For more information about stamps, see
`Envelopes & Stamps`_.

.. _messenger-message-attribute:

Configuring Routing Using Attributes
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

You can optionally use the `#[AsMessage]` attribute to configure message transport::

// src/Message/SmsNotification.php
namespace App\Message;

use Symfony\Component\Messenger\Attribute\AsMessage;

#[AsMessage(transport: 'async')]
class SmsNotification
{
public function __construct(
private string $content,
) {
}

public function getContent(): string
{
return $this->content;
}
}

.. note::

If you configure routing with both configuration and attributes, the
configuration will take precedence over the attributes and override
them. This allows to override routing on a per-environment basis
for example:

.. code-block:: yaml

# config/packages/messenger.yaml
when@dev:
framework:
messenger:
routing:
# override class attribute
'App\Message\SmsNotification': sync

.. tip::

The `$transport` parameter can be either a `string` or an `array`: configuring multiple
transports is possible. You may also repeat the attribute if you prefer instead of using
an array.

Doctrine Entities in Messages
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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1 change: 1 addition & 0 deletions reference/attributes.rst
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Expand Up @@ -79,6 +79,7 @@ HttpKernel
Messenger
~~~~~~~~~

* :ref:`AsMessage <messenger-message-attribute>`
* :ref:`AsMessageHandler <messenger-handler>`

RemoteEvent
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