def get(self, sid):
return MessageContext(<EOL>self._version,<EOL>service_sid=self._solution['<STR_LIT>'],<EOL>channel_sid=self._solution['<STR_LIT>'],<EOL>sid=sid,<EOL>)<EOL>
Constructs a MessageContext

:param sid: The sid

:returns: twilio.rest.chat.v1.service.channel.message.MessageContext
:rtype: twilio.rest.chat.v1.service.channel.message.MessageContext