Previously this functionality was limited to iOS devices -- the iPhone, the iPad and the iPod Touch. Now, with Mojave, HomeKit customers should be able to enlist their Mac as a way of managing their smart home devices.
HomeKit is Apple's Siri-powered smart home platform. It's the software that allows third-party devices to be controlled via Siri commands. Currently, the integrations include commands like, "Siri, set my thermostat to 68 degrees" and "Siri, lock my front door."
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