# ODNodeCopySupportedAttributes(_:_:_:) Returns an array of attribute types supported by a given node. ``` func ODNodeCopySupportedAttributes(_ node: ODNodeRef!, _ recordType: String!, _ error: UnsafeMutablePointer?>!) -> Unmanaged! ``` ## Parameters `node` The node. `recordType` The record type to list supported attribute types for. Can be `NULL`. `error` An error reference for error details. Can be `NULL`. ## Return Value An array of supported attribute types. ## Discussion If `inRecordType` is `NULL`, this function returns all attribute types supported by all record types of the node; otherwise, only attribute types specific to `inRecordType` are returned. ## See Also [Record Types](/documentation/OpenDirectory/record-types) Types of Open Directory records. --- 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)