Here you go: https://stty.io/2020/07/31/lamp-control-based-on-video-conferencing/ https://stty.io/2020/07/31/lamp-control-based-on-video-confe... I’ve been usi

Here you go: https://stty.io/2020/07/31/lamp-control-based-on-video-conferencing/ https://stty.io/2020/07/31/lamp-control-based-on-video-confe... I’ve been using this for ~1 and it’s been more reliable than I expected - no maintenance required even with the update to Big Sur. To save you a click: log show --predicate 'subsystem == "com.apple.VDCAssistant" && \ eventMessage CONTAINS[c] "kCameraStream"' --last 1m --no-debug --no-pager \ --style compact | tail -n +2) #or log stream ... # streaming is better to generate events