# MusicEventIteratorHasPreviousEvent(_:_:) Indicates whether or not a music track contains an event before the music event iterator’s current position. ``` func MusicEventIteratorHasPreviousEvent(_ inIterator: MusicEventIterator, _ outHasPrevEvent: UnsafeMutablePointer) -> OSStatus ``` ## Parameters `inIterator` The music event iterator whose state you want to know about. `outHasPrevEvent` On output, `true` (nonzero) if there is an event closer to the start of the music track than the music event iterator’s current position; `false` (zero) otherwise. ## Return Value A result code. ## 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)