def has_agent(self):
<EOL>return bool(self._my_map['<STR_LIT>'])<EOL>
Tests if this authorization has an ``Agent``.

        An implied authorization may have an ``Agent`` in addition to a
        specified ``Resource``.

        return: (boolean) - ``true`` if this authorization has an
                ``Agent,``  ``false`` otherwise
        *compliance: mandatory -- This method must be implemented.*