HomeKit is not a single control application but is instead a hardware certification platform and database system that allows developers to create hardware and to integrate that hardware with iOS to provide for easy discovery, configuration, management, and communication between a wide variety of smarthome products like locks, lights, security equipment, and other home automation products. (source, courtesy of: https://www.howtogeek.com/231677/htg-explains-what-is-apple-homekit/).
For example you may setup scenarios with Triby triggering actions of other connected objects such as turning off lamps and heat.
Please note that these scenarios require Homekit certified objects. Also you will have to setup and configure your "Home". You may find more information in these articles:
- How to add Triby through the "Home" app?
- How to create your "Home" and add Triby to it (with the Triby app)?
You may also find more details in these links: