---
title: HKMetadataKeySwimmingStrokeStyle
framework: healthkit
role: symbol
role_heading: Global Variable
path: healthkit/hkmetadatakeyswimmingstrokestyle
---

# HKMetadataKeySwimmingStrokeStyle

A key that indicates the predominant stroke style for a lap of swimming.

## Declaration

```swift
let HKMetadataKeySwimmingStrokeStyle: String
```

## Discussion

Discussion Set this key on workout lap events. Set its value to an NSNumber object that contains a valid value from the  HKSwimmingStrokeStyle enumeration.

## Topics

### Valid Stroke Styles

- [HKSwimmingStrokeStyle](healthkit/hkswimmingstrokestyle.md)

## See Also

### Swimming

- [HKMetadataKeySwimmingLocationType](healthkit/hkmetadatakeyswimminglocationtype.md)
- [HKMetadataKeyLapLength](healthkit/hkmetadatakeylaplength.md)
- [HKMetadataKeySWOLFScore](healthkit/hkmetadatakeyswolfscore.md)
- [HKMetadataKeyWaterSalinity](healthkit/hkmetadatakeywatersalinity.md)