def get_family_admin_session(self):
raise Unimplemented()<EOL>
Gets the ``OsidSession`` associated with the family administrative service.

        return: (osid.relationship.FamilyAdminSession) - a
                ``FamilyAdminSession``
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented - ``supports_family_admin()`` is ``false``
        *compliance: optional -- This method must be implemented if
        ``supports_family_admin()`` is ``true``.*