def get_child_assessment_part_ids(self):
if not self.has_children():<EOL><INDENT>raise errors.IllegalState('<STR_LIT>')<EOL><DEDENT>return IdList(self._my_map['<STR_LIT>'])<EOL>
Gets any child assessment part ``Ids``.

        return: (osid.id.IdList) - ``Ids`` of the child assessment parts
        *compliance: mandatory -- This method must be implemented.*