Prices and durations are requested from the StreetSmart HUB and there is a need for blocking the user interface while waiting for the response. The blockButtonGroup property will block user interface buttons that has a ButtonGroup property with the same name, see The ButtonGroup property. When a user interface button, in the same button group as a pay unit is pressed, the pay unit will be inhibited (blocked).
<PAYUNIT blockButtonGroup="name">
