Create scenes and automations - Apple Support

With the Home app, you can automate your accessories and create scenes to do what you want, when you want.

Aqara App Update Ports Scenes to Apple HomeKit - Homekit News and Reviews

Control your home with Siri - Apple Support

How to make HomeKit work for you automatically with scenes and automations

Get tips on iPhone - Apple Support

Make your iPhone your own - Apple Support

Add an accessory to the Home app - Apple Support

Create scenes and automations - Apple Support

How to create an automation in the Home app

How to set your favorite scenes and accessories in the Home app

Don't make a scene - SmartApps & Automations - SmartThings Community