def _proxy(self):
        """
        Generate an instance context for the instance, the context is capable of
        performing various actions.  All instance actions are proxied to the context

        :returns: FaxContext for this FaxInstance
        :rtype: twilio.rest.fax.v1.fax.FaxContext
        """
        if self._context is None:
            self._context = FaxContext(self._version, sid=self._solution['sid'], )
        return self._context