code: func (r Hardware_Server) GetPublicBandwidthTotal(startTime *int, endTime *int) (resp uint, err error) {
  	params := []interface{}{
  		startTime,
  		endTime,
  	}
  	err = r.Session.DoRequest("SoftLayer_Hardware_Server", "getPublicBandwidthTotal", params, &r.Options, &resp)
  	return
  }
docs: // Retrieve the total number of bytes used by a server over a specified time period via the data warehouse tracking objects for this hardware.