def get_assessment_offered_id(self):
<EOL>if not bool(self._my_map['<STR_LIT>']):<EOL><INDENT>raise errors.IllegalState('<STR_LIT>')<EOL><DEDENT>return Id(self._my_map['<STR_LIT>'])<EOL>
Gets the ``Id`` of the ``AssessmentOffered``.

        return: (osid.id.Id) - the assessment offered ``Id``
        *compliance: mandatory -- This method must be implemented.*