# AUParameterFormatValue(_:_:_:_:) ``` func AUParameterFormatValue(_ inParameterValue: Float64, _ inParameter: UnsafePointer, _ inTextBuffer: UnsafeMutablePointer, _ inDigits: UInt32) -> UnsafeMutablePointer ``` --- 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)