When combining multiple presence sensors (either to get more reliability, or if I want something triggered based on the actions of multiple people), I don't like to put the logic into Rule Machine. Too hard to get right, and it has to be duplicated in each rule. So I made an app that can do the combinations and set the output on a Virtual Presence sensor. Then Rule Machine can just trigger based off of those output sensors. I've uploaded it now: https://community.hubitat.com/t/release-combined-presence/9186?u=jwetzel1492
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