# dispatch_debugv(_:_:_:) ``` func dispatch_debugv(_ object: dispatch_object_t, _ message: UnsafePointer, _ ap: CVaListPointer) ``` --- 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)