def __call__(self, sid):
return NotificationContext(self._version, account_sid=self._solution['<STR_LIT>'], sid=sid, )<EOL>
Constructs a NotificationContext

:param sid: The unique string that identifies the resource

:returns: twilio.rest.api.v2010.account.notification.NotificationContext
:rtype: twilio.rest.api.v2010.account.notification.NotificationContext