def fetch(self, end=values.unset, start=values.unset):
params = values.of({'<STR_LIT>': end, '<STR_LIT>': start, })<EOL>payload = self._version.fetch(<EOL>'<STR_LIT:GET>',<EOL>self._uri,<EOL>params=params,<EOL>)<EOL>return UsageInstance(self._version, payload, sim_sid=self._solution['<STR_LIT>'], )<EOL>
Fetch a UsageInstance

:param unicode end: The end
:param unicode start: The start

:returns: Fetched UsageInstance
:rtype: twilio.rest.preview.wireless.sim.usage.UsageInstance