---
title: startAccelerometerUpdates()
framework: coremotion
role: symbol
role_heading: Instance Method
path: coremotion/cmmotionmanager/startaccelerometerupdates()
---

# startAccelerometerUpdates()

Starts accelerometer updates without a handler.

## Declaration

```swift
func startAccelerometerUpdates()
```

## Mentioned in

Getting raw accelerometer events

## Discussion

Discussion You can get the latest accelerometer data through the accelerometerData property. You must call stopAccelerometerUpdates() when you no longer want your app to process accelerometer updates.

## See Also

### Managing Accelerometer Updates

- [accelerometerUpdateInterval](coremotion/cmmotionmanager/accelerometerupdateinterval.md)
- [startAccelerometerUpdates(to:withHandler:)](coremotion/cmmotionmanager/startaccelerometerupdates(to:withhandler:).md)
- [stopAccelerometerUpdates()](coremotion/cmmotionmanager/stopaccelerometerupdates().md)
- [accelerometerData](coremotion/cmmotionmanager/accelerometerdata.md)
- [CMAccelerometerHandler](coremotion/cmaccelerometerhandler.md)