code: def _init_metadata(self):
          
          self._zone_conditions_metadata = {
              'zone_matches': Id(self.my_osid_object_form._authority,
                                 self.my_osid_object_form._namespace,
                                 'zone_conditions'),
              'element_label': 'zone conditions',
              'instructions': 'zone conditions for answer',
              'required': False,
              'read_only': False,
              'linked': False,
              'array': False,
              'default_object_values': [[]],
              'syntax': 'OBJECT',
          }
          self._coordinate_conditions_metadata = {
              'element_id': Id(self.my_osid_object_form._authority,
                               self.my_osid_object_form._namespace,
                               'coordinate_conditions'),
              'element_label': 'coordinate conditions',
              'instructions': 'coordinate conditions for answer',
              'required': False,
              'read_only': False,
              'linked': False,
              'array': False,
              'default_object_values': [[]],
              'syntax': 'OBJECT',
          }
          self._spatial_unit_conditions_metadata = {
              'element_id': Id(self.my_osid_object_form._authority,
                               self.my_osid_object_form._namespace,
                               'spatial_unit_conditions'),
              'element_label': 'spatial unit conditions',
              'instructions': 'spatial unit conditions for answer',
              'required': False,
              'read_only': False,
              'linked': False,
              'array': False,
              'default_object_values': [[]],
              'syntax': 'OBJECT',
          }
docs: stub