def _sent_by(self, origin, cable):
        """\

        `origin`
            Topic identity (commonly a subject identifier) of the originator of the cable
        `cable`
            Topic identity (commonly a subject identifier) of the cable.
        """
        self._assoc(psis.SENT_BY_TYPE,
                    psis.SENDER_TYPE, origin,
                    psis.CABLE_TYPE, cable)
\

        `origin`
            Topic identity (commonly a subject identifier) of the originator of the cable
        `cable`
            Topic identity (commonly a subject identifier) of the cable.