def get(self, sid):
        """
        Constructs a MessageContext

        :param sid: The unique string that identifies the resource

        :returns: twilio.rest.chat.v2.service.channel.message.MessageContext
        :rtype: twilio.rest.chat.v2.service.channel.message.MessageContext
        """
        return MessageContext(
            self._version,
            service_sid=self._solution['service_sid'],
            channel_sid=self._solution['channel_sid'],
            sid=sid,
        )
Constructs a MessageContext

        :param sid: The unique string that identifies the resource

        :returns: twilio.rest.chat.v2.service.channel.message.MessageContext
        :rtype: twilio.rest.chat.v2.service.channel.message.MessageContext