---
title: HKAppleECGAlgorithmVersion.version1
framework: healthkit
role: symbol
role_heading: Case
path: healthkit/hkappleecgalgorithmversion/version1
---

# HKAppleECGAlgorithmVersion.version1

The version 1 algorithm.

## Declaration

```swift
case version1
```

## See Also

### Versions

- [HKAppleECGAlgorithmVersion.version2](healthkit/hkappleecgalgorithmversion/version2.md)