code: def create_iteration(self, num_suggestions):
          
          from db.models.experiment_groups import ExperimentGroupIteration
  
          iteration_config = BaseIterationConfig(iteration=0,
                                                 num_suggestions=num_suggestions,
                                                 experiment_ids=[])
  
          return ExperimentGroupIteration.objects.create(
              experiment_group=self.experiment_group,
              data=iteration_config.to_dict())
docs: Create an iteration for the experiment group (works for grid and random).