Use scenes to control multiple Home accessories on Mac
Scenes allow you to control multiple accessories at once. For example, you might define a “Reading” scene that adjusts the lights, closes the blinds and adjusts the thermostat. Home has some typical scenes already defined for you, but you need to edit them before they work.
Create a new scene
You can create a scene and add accessories to it.
In the Home app
on your Mac, click the Add button 
, then click Add Scene.Type a name for the scene (you may have to click Custom first).
You can also click the default icon to choose a different icon.
Click Add Accessories, then click the accessories that you want to add to the scene. Click Done, then click Done.
Run a scene
In the Home app
on your Mac, click Home or a room in the sidebar, then click a scene.
Edit a scene
In the Home app
on your Mac, click Home or a room in the sidebar, double-click a scene, then click Settings.Click Add or Remove Accessories.
Click an accessory to add or remove it from the scene. Click Done, then click the Close button
in the top-right corner.
Make a scene a favourite
By default, the first eight scenes you add to Home are automatically listed as favourites, but you can also add more scenes as favourites.
In the Home app
on your Mac, choose View, then choose the room to which the scene is assigned.Double-click the scene, click Settings, then click Include in Favourites.
Click the Close button
in the top-right corner.The scene appears as a favourite.