If you're using the:ref:`default services.yml configuration<service-container-services-load-example>`,

your command classes are automatically registered as services. You have nothing

else to do!

..note::

You can also manually register your command as a service by configuring the service

and:doc:`tagging it</service_container/tags>` with ``console.command``.

Symfony also looks in the ``Command/`` directory of bundles for commands

non registered as a service but this is deprecated since Symfony 3.4 and

won't be supported in Symfony 4.0.

Configuring the Command

Executing the Command

After configuring the command, you can execute it in the terminal:

Symfony registers any PHP class extending from:class:`Symfony\Component\Console\Command\Command`

as a console command automatically, so you can now execute this command in the

terminal:

..code-block::terminal

..note::

If you're using the:ref:`default services.yml configuration<service-container-services-load-example>`,

your command classes are automatically registered as services.

You can also manually register your command as a service by configuring the service

and:doc:`tagging it</service_container/tags>` with ``console.command``.

Otherwise, Symfony looks in the ``Command/`` directory of bundles for commands

non registered as a service but this is deprecated since Symfony 3.4 and

won't be supported in Symfony 4.0.

As you might expect, this command will do nothing as you didn't write any logic

yet. Add your own logic inside the ``execute()`` method, which has access to the

input stream (e.g. options and arguments) and the output stream (to write