def get_effective_agent_id(self):
return self._my_proxy.get_effective_agent_id()<EOL>
Gets the effective ``Agent Id`` for this proxy.

        :return: the effective agent ``Id``
        :rtype: ``osid.id.Id``
        :raise: ``IllegalState`` -- ``has_effective_agent()`` is ``false``

        *compliance: mandatory -- This method must be implemented.*