If I have granted permission to someone to my Apple home app, can I see if they have viewed my cameras?
If I have granted permission to someone to my Apple home app, can I see if they have viewed my cameras?
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Share control of your home - Apple Support
In reading the above document and the relevant ones linked off it I don't see mention of you being notified if another person checks a Home feature.
Get notifications for your HomeKit accessories - Apple Support