<!--
{
  "availability" : [
    "iOS: 11.0.0 -",
    "iPadOS: 11.0.0 -",
    "macCatalyst: 13.0.0 -",
    "macOS: 13.0.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 4.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "HealthKit",
  "identifier" : "/documentation/HealthKit/HKSeriesType",
  "metadataVersion" : "0.1.0",
  "role" : "Class",
  "symbol" : {
    "kind" : "Class",
    "modules" : [
      "HealthKit"
    ],
    "preciseIdentifier" : "c:objc(cs)HKSeriesType"
  },
  "title" : "HKSeriesType"
}
-->

# HKSeriesType

A type that indicates the data stored in a series sample.

```
class HKSeriesType
```

## Topics

### Accessing Series Types

[`+  workoutRouteType`](/documentation/HealthKit/HKSeriesType/workoutRoute())

Returns a series type object for workout routes.

[`+  heartbeatSeriesType`](/documentation/HealthKit/HKSeriesType/heartbeat())

Returns a series type object for heartbeat data.

## See Also

[`HKWorkoutRoute`](/documentation/HealthKit/HKWorkoutRoute)

A sample that contains a workout’s route data.

[`HKWorkoutRouteBuilder`](/documentation/HealthKit/HKWorkoutRouteBuilder)

A builder object that incrementally constructs a workout route.

[`HKWorkoutRouteQuery`](/documentation/HealthKit/HKWorkoutRouteQuery)

A query to access the location data stored in a workout route.

## Relationships

### Conforms To

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`NSCopying`](/documentation/Foundation/NSCopying)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`NSCoding`](/documentation/Foundation/NSCoding)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`Hashable`](/documentation/Swift/Hashable)

[`CVarArg`](/documentation/Swift/CVarArg)

[`NSSecureCoding`](/documentation/Foundation/NSSecureCoding)

[`Sendable`](/documentation/Swift/Sendable)

[`Equatable`](/documentation/Swift/Equatable)

### Inherits From

[`HKSampleType`](/documentation/HealthKit/HKSampleType)

---

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)