code: func (r Network_Storage) CollectBandwidth(typ *string, startDate *datatypes.Time, endDate *datatypes.Time) (resp uint, err error) {
  	params := []interface{}{
  		typ,
  		startDate,
  		endDate,
  	}
  	err = r.Session.DoRequest("SoftLayer_Network_Storage", "collectBandwidth", params, &r.Options, &resp)
  	return
  }
docs: // {{CloudLayerOnlyMethod}}
  //
  // collectBandwidth() Retrieve the bandwidth usage for the current billing cycle.