# init(for:identifier:) Creates an `EntityIdentifier` representing an instance of the specified entity type backed by the specified identifier value. ``` init(for entityType: Entity.Type, identifier: Entity.ID) where Entity : AppEntity ``` ## Parameters `entityType` The type of the entity `identifier` The identifier value for the entity ## Discussion For entity types adopting `_SyncableEntity`, this initializer extracts the stable ID: - **Passthrough case**: If the ID is already stable (like `UUID`), it’s used as both local and stable ID - **Mapped case**: If the ID uses `_SyncableEntityIdentifier`, the stable ID is extracted from the wrapper - **Custom identifier case**: If the ID conforms to `_SyncableEntityIdentifierProviding`, the stable ID is extracted via `stableIdentifierString` --- 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)