# identifier(for:entityName:primaryKey:) ``` static func identifier(for storeIdentifier: String, entityName: String, primaryKey: T) throws -> PersistentIdentifier where T : Comparable, T : CustomStringConvertible, T : Decodable, T : Encodable, T : Hashable ``` --- 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)