# retrieveAllCredentials(_:) Requests all Thread credentials from the framework. ``` func retrieveAllCredentials(_ completion: @escaping @Sendable (Set?, (any Error)?) -> Void) ``` ``` func allCredentials() async throws -> Set ``` ## Parameters `completion` The completion handler the framework calls when the credentials become available. ## Discussion> Concurrency note: You can call this method from synchronous code using a completion handler, as shown on this page, or you can call it as an asynchronous method that has the following declaration: > > ```swift > func allCredentials() async throws -> Set > ``` > > For information about concurrency and asynchronous code in Swift, see . The framework identifies the developer by the team ID. When calling this method, you receive credentials for your team ID only. Call the method as follows: ```swift func obtainAllCredentials() async -> (Set?, Error?) { let client = THClient() var credentials: Set? var err:Error? do { credentials = try await client.allCredentials() } catch { err = error } return (credentials, err) } ``` --- 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)