code: func (a *API) FetchAlert(cid CIDType) (*Alert, error) {
  	if cid == nil || *cid == "" {
  		return nil, fmt.Errorf("Invalid alert CID [none]")
  	}
  
  	alertCID := string(*cid)
  
  	matched, err := regexp.MatchString(config.AlertCIDRegex, alertCID)
  	if err != nil {
  		return nil, err
  	}
  	if !matched {
  		return nil, fmt.Errorf("Invalid alert CID [%s]", alertCID)
  	}
  
  	result, err := a.Get(alertCID)
  	if err != nil {
  		return nil, err
  	}
  
  	if a.Debug {
  		a.Log.Printf("[DEBUG] fetch alert, received JSON: %s", string(result))
  	}
  
  	alert := &Alert{}
  	if err := json.Unmarshal(result, alert); err != nil {
  		return nil, err
  	}
  
  	return alert, nil
  }
docs: // FetchAlert retrieves alert with passed cid.