code: def _add_combined_condition_to_template(self, template_dict, condition_name, conditions_to_combine):
          
          # defensive precondition check
          if not conditions_to_combine or len(conditions_to_combine) < 2:
              raise ValueError('conditions_to_combine must have at least 2 conditions')
  
          template_conditions = template_dict.setdefault('Conditions', {})
          new_template_conditions = make_combined_condition(sorted(list(conditions_to_combine)), condition_name)
          for name, definition in new_template_conditions.items():
              template_conditions[name] = definition
docs: Add top-level template condition that combines the given list of conditions.
  
          :param dict template_dict: SAM template dictionary
          :param string condition_name: Name of top-level template condition
          :param list conditions_to_combine: List of conditions that should be combined (via OR operator) to form
                                             top-level condition.