| Type : boolean |
| Definition |
| When 'true', the accompanying price(s) are guidelines; full pricing will be returned when the Extra is selected in a Quick Cost message. When 'false', an accurate costing can be calculated from the price(s) given. When this attribute is absent, accurate prices will be assumed. |
| Parents |
| \OTA_PkgCostRS\AvailableExtras\AvailableExtra\Periods\Period
|