handler level or at the channel level instead of registering it globally

(see the following sections).

Symfony's MonologBridge provides processors that can be registered inside your application.

*:class:`Symfony\\Bridge\\Monolog\\Processor\\DebugProcessor` adds additional information useful for debugging like a timestamp or an error message to the record.

*:class:`Symfony\\Bridge\\Monolog\\Processor\\TokenProcessor` adds information from the current user's token to the record namely username, roles and whether the user is authenticated.

*:class:`Symfony\\Bridge\\Monolog\\Processor\\WebProcessor` overrides data from the request using the data inside Symfony's request object.

..versionadded::3.4

The:class:`Symfony\\Bridge\\Monolog\\Processor\\TokenProcessor` class was added in Symfony 3.4.

Registering Processors per Handler