---
title: y
framework: sensorkit
role: symbol
role_heading: Instance Property
path: sensorkit/srphotoplethysmogramaccelerometersample/y
---

# y

The y-axis acceleration in G’s (gravitational force).

## Declaration

```swift
var y: Measurement<UnitAcceleration> { get }
```

## See Also

### Accessing accelerometer data

- [nanosecondsSinceStart](sensorkit/srphotoplethysmogramaccelerometersample/nanosecondssincestart.md)
- [samplingFrequency](sensorkit/srphotoplethysmogramaccelerometersample/samplingfrequency.md)
- [x](sensorkit/srphotoplethysmogramaccelerometersample/x.md)
- [z](sensorkit/srphotoplethysmogramaccelerometersample/z.md)