# calendars(for:) Returns the calendars that belong to this source object that support a particular entity type. ``` func calendars(for entityType: EKEntityType) -> Set ``` ## Parameters `entityType` The entity type of either an event or a reminder. ## Return Value The calendars belonging to this source that support the entity type. ## See Also [`EKEntityMask`](/documentation/EventKit/EKEntityMask) A bitmask of `EKEntityType` for specifying multiple entities at once. --- 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)