# class_copyPropertyList(_:_:) Describes the properties declared by a class. ``` func class_copyPropertyList(_ cls: AnyClass?, _ outCount: UnsafeMutablePointer?) -> UnsafeMutablePointer? ``` ## Parameters `cls` The class you want to inspect. `outCount` On return, contains the length of the returned array. If `outCount` is `NULL`, the length is not returned. ## Return Value An array of pointers of type `objc_property_t` describing the properties declared by the class. Any properties declared by superclasses are not included. The array contains `*outCount` pointers followed by a `NULL` terminator. You must free the array with `free()`. If `cls` declares no properties, or `cls` is `Nil` , returns `NULL` and `*outCount` is `0` . ## 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)