Includes detailed information about the sender and
recipient user. You can request up to 200 direct messages per
call, and only the most recent 200 direct messages will be available using
this endpoint.
Important: This method requires an access token with read,
write, and direct message permissions. To change your application's
permissions, navigate to apps.twitter.com, select the
appropriate application, click the "permissions" tab. Once you' have made
changes to the application permission settings, you will need to
regenerate your token before those effect of those changes can
take effect.