def exportAttributes(self, outfile, level, already_processed, namespace_='maec:', name_='PackingType'):
        if self.is_packed is not None and 'is_packed' not in already_processed:
            already_processed.append('is_packed')
            outfile.write(' is_packed="%s"' % self.gds_format_boolean(self.gds_str_lower(str(self.is_packed)), input_name='is_packed'))