---
title: foregroundBloodOxygen
framework: sensorkit
role: symbol
role_heading: Type Property
path: sensorkit/srphotoplethysmogramsample/usage-swift.struct/foregroundbloodoxygen
---

# foregroundBloodOxygen

A blood oxygen reading that a person takes while using an app.

## Declaration

```swift
static let foregroundBloodOxygen: SRPhotoplethysmogramSample.Usage
```

## Discussion

Discussion An example is a sample of a reading from a person using the BloodOxygen app.

## See Also

### Getting the reading method

- [foregroundHeartRate](sensorkit/srphotoplethysmogramsample/usage-swift.struct/foregroundheartrate.md)
- [deepBreathing](sensorkit/srphotoplethysmogramsample/usage-swift.struct/deepbreathing.md)
- [backgroundSystem](sensorkit/srphotoplethysmogramsample/usage-swift.struct/backgroundsystem.md)