# CMSampleBufferHasDataFailed(_:statusOut:) Returns a Boolean value that indicates whether the sample buffer’s data loading request failed. ``` func CMSampleBufferHasDataFailed(_ sbuf: CMSampleBuffer, statusOut: UnsafeMutablePointer?) -> Bool ``` ## Parameters `sbuf` The `CMSampleBuffer` being interrogated. `statusOut` Points to an `OSStatus` to receive a status code describing the failure. Pass `NULL` if you don’t want this information. ## Discussion --- 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)