Can I control the lights with Siri?

Once you have set up a scene you can add it to Siri Shortcuts with the button in the scenes screen. Tap 'Add to Siri' in the top right corner of the scenes page, then tap the 'Add to Siri' button next to the scene you would like to use. You can then enter the phrase you would like Siri to repsond to, and you will then be able to activate that scene by voice.