To set the duration:
1.Add the number of minutes to stay in the Duration (minutes) box.
2.Press [tab] on your keyboard. The end time will be set.
3.Click the Calculate amount button. The Purchase Amount will be set.
4.Add the Vehicle Registration Number in the Code field.
5.Optional add a description.
6.Click Save.
The purchase will be saved and is visible in the Purchase page. This may take a few seconds because the purchase must be processed like all other purchases.