Hey Siri, close my garage door

SmartThings unlocks a new world of possibilities by letting you use your smartphone to control locks, lights, electronics, and the everyday things around you—wherever you are.
A shortcut provides a quick way to get things done with your apps, with just a tap or by asking Siri. Shortcuts can automate a wide variety of things on your iOS devices. This service requires the IFTTT app for iOS.