# init(type:startDate:endDate:objects:) ``` convenience init(type correlationType: HKCorrelationType, startDate: Date, endDate: Date, objects: Set) ``` --- 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)