# CGPathApplierFunction Defines a callback function that can view an element in a graphics path. ``` typealias CGPathApplierFunction = (UnsafeMutableRawPointer?, UnsafePointer) -> Void ``` ## Discussion See also [`apply(info:function:)`](/documentation/CoreGraphics/CGPath/apply(info:function:)). --- 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)