# lightInfo(_:forLight:at:) Provides information about a light at a particular time. ``` func lightInfo(_ light: UnsafeMutablePointer!, forLight lightIndex: Int, at time: CMTime) throws ``` ## Parameters `light` A pointer to an FxLight structure to receive information about a particular light in the scene. `lightIndex` The index of the light whose information you wish to retrieve. `time` The time for which you want lighting information. --- 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)