VRA version 3 provided an override to trigger something when there was no program onair anymore (fallback program).
Currently you can realize these scenarios within VisualRadioAssist within Automations or with Output Player Rundown Conditions.
Use the Condition for an check on the Onair Program with the condition “
not equals” to “Every Program” to create the same exact functionality with the flexibility of triggering all kinds of commandos (like triggering an Input on your Video Switcher)Check a full guide on How to automate your Output Player in onair and offair situations