To send a notification to the user you just need to call one of the new methods defined on res.users:

.. code-block:: python

   self.env.user.notify_success(message='My success message')

or

.. code-block:: python

   self.env.user.notify_danger(message='My danger message')

or

.. code-block:: python

   self.env.user.notify_warning(message='My warning message')

or

.. code-block:: python

   self.env.user.notify_info(message='My information message')

or

.. code-block:: python

   self.env.user.notify_default(message='My default message')


The notifications can bring interactivity with some buttons.

* One allowing to refresh the active view
* Another allowing to send a window / client action

The reload button is activated when sending the notification with:


The action can be used using the ``action`` keyword:

.. code-block:: python

    action = self.env["ir.actions.act_window"]._for_xml_id('sale.action_orders')
    action.update({
        'res_id': self.id,
        'views': [(False, 'form')],
    })
   self.env.user.notify_info('My information message', action=action)


.. figure:: static/description/notifications_screenshot.gif
   :scale: 80 %
   :alt: Sample notifications

You can test the behaviour of the notifications by installing this module in a demo database.
Access the users form through Settings -> Users & Companies. You'll see a tab called "Test web notify", here you'll find two buttons that'll allow you test the module.

.. figure:: static/description/test_notifications_demo.png
   :scale: 80 %
   :alt: Sample notifications