code: def _init_metadata(self):
          
          self._n_of_m_metadata = {
              'element_id': Id(self.my_osid_object_form._authority,
                               self.my_osid_object_form._namespace,
                               'nOfM'),
              'element_label': 'nOfM',
              'instructions': 'Student is expected to do N of M questions',
              'required': False,
              'read_only': False,
              'linked': False,
              'array': False,
              'default_object_values': [-1],
              'syntax': 'INTEGER',
              'object_set': [],
              'minimum_integer': None,
              'maximum_integer': None,
              'integer_set': []
          }
docs: stub