The start is done by click function OnExternalPayUnitGeneralFunction with IndexValue:
631 Select from all (available, occupied, and broken) by Buttons
632 Select from all (available, occupied, and broken) by Input
633 Select from available by Buttons
Suitable is a auto click button in Article Panel
<TFT:Button Name="StartEV" Click="OnExternalPayUnitGeneralFunction" IndexValue="631" KeyValue="evhub.dll" AutoClick="true" />
The IndexValue controls which external pay unit buttons are displayed.
