---
title: modificationDate
framework: cloudkit
role: symbol
role_heading: Type Property
path: cloudkit/ckrecord/systemfieldkey/modificationdate
---

# modificationDate

A key constant that a record uses for its CKRecord.modificationDate.

## Declaration

```swift
@backDeployed(before: macOS 14.0, iOS 17.0, tvOS 17.0, watchOS 10.0)
static var modificationDate: CKRecord.FieldKey { get }
```