<!--
{
  "availability" : [
    "iOS: 18.2.0 -",
    "iPadOS: 18.2.0 -",
    "macCatalyst: 18.2.0 -",
    "macOS: 15.2.0 -",
    "visionOS: 2.2.0 -",
    "watchOS: 11.2.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "HealthKit",
  "identifier" : "/documentation/HealthKit/HKMetadataKeyAppleFitnessPlusCatalogIdentifier",
  "metadataVersion" : "0.1.0",
  "role" : "Global Variable",
  "symbol" : {
    "kind" : "Global Variable",
    "modules" : [
      "HealthKit"
    ],
    "preciseIdentifier" : "c:@HKMetadataKeyAppleFitnessPlusCatalogIdentifier"
  },
  "title" : "HKMetadataKeyAppleFitnessPlusCatalogIdentifier"
}
-->

# HKMetadataKeyAppleFitnessPlusCatalogIdentifier

```
let HKMetadataKeyAppleFitnessPlusCatalogIdentifier: String
```

## Discussion

\abstract Contains the catalog identifier of the Fitness+ workout.
\discussion This key only exists if the workout was completed in Fitness+. The expected value type is an NSString containing the Fitness+ catalog identifier.

---

Copyright &copy; 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)