code: def triggers(self, triggers):
          
          if triggers is None:
              raise ValueError("Invalid value for `triggers`, must not be `None`")  # noqa: E501
          allowed_values = ["ALERT_OPENED", "ALERT_UPDATED", "ALERT_RESOLVED", "ALERT_MAINTENANCE", "ALERT_SNOOZED", "ALERT_INVALID", "ALERT_NO_LONGER_INVALID", "ALERT_TESTING", "ALERT_RETRIGGERED", "ALERT_NO_DATA", "ALERT_NO_DATA_RESOLVED", "ALERT_NO_DATA_MAINTENANCE", "ALERT_SERIES_SEVERITY_UPDATE", "ALERT_SEVERITY_UPDATE"]  # noqa: E501
          if not set(triggers).issubset(set(allowed_values)):
              raise ValueError(
                  "Invalid values for `triggers` [{0}], must be a subset of [{1}]"  # noqa: E501
                  .format(", ".join(map(str, set(triggers) - set(allowed_values))),  # noqa: E501
                          ", ".join(map(str, allowed_values)))
              )
  
          self._triggers = triggers
docs: Sets the triggers of this Notificant.
  
          A list of occurrences on which this webhook will be fired.  Valid values are ALERT_OPENED, ALERT_UPDATED, ALERT_RESOLVED, ALERT_MAINTENANCE, ALERT_SNOOZED  # noqa: E501
  
          :param triggers: The triggers of this Notificant.  # noqa: E501
          :type: list[str]