Most of the time you'll want to notify customers via email when an order has been made or its status has changed. For that scenario, Salesman provides a :attr:`salesman.orders.signals.status_changed` signal that you can use. Eg:
Note
For this example, we assume your custom app is named shop.
.. literalinclude:: /../example/shop/signals.py
Make sure you import your signals in your app's ready function to have them registered:
.. literalinclude:: /../example/shop/apps.py
.. literalinclude:: /../example/shop/__init__.py
Read more about listening to signals in Django's docs.