# setPropertyState(_:forProperty:) Sets the value of a device property. ``` func setPropertyState(_ propertyState: CMIOExtensionPropertyState?, forProperty property: CMIOExtensionProperty) ``` ## Parameters `propertyState` The updated property state. `property` The property to update. ## Discussion Setting a `nil` property state value doesn’t remove the property. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)