title: How to write a custom view in Djagno admin interface
body: <p>I am writing a Newsletter app. I have all the things I need to get it running depsite I don't how to put the button <code>Send E-mail</code> while user create newsletter and select the user and how to redirect to my view?</p>
  
  <p>Where is this kind of thing explained in the documentation? How to achieve this.</p>