def get_asset_ids(self):
<EOL>return IdList(self._my_map['<STR_LIT>'])<EOL>
Gets the ``Ids`` of any assets associated with this activity.

        return: (osid.id.IdList) - list of asset ``Ids``
        raise:  IllegalState - ``is_asset_based_activity()`` is
                ``false``
        *compliance: mandatory -- This method must be implemented.*