---
title: startDeviceMotionUpdates()
framework: coremotion
role: symbol
role_heading: Instance Method
path: coremotion/cmbatchedsensormanager/startdevicemotionupdates()
---

# startDeviceMotionUpdates()

## Declaration

```swift
func startDeviceMotionUpdates()
```

## See Also

### Collecting device-motion data

- [startDeviceMotionUpdates(handler:)](coremotion/cmbatchedsensormanager/startdevicemotionupdates(handler:).md)
- [stopDeviceMotionUpdates()](coremotion/cmbatchedsensormanager/stopdevicemotionupdates().md)
- [deviceMotionBatch](coremotion/cmbatchedsensormanager/devicemotionbatch.md)
- [deviceMotionUpdates()](coremotion/cmbatchedsensormanager/devicemotionupdates().md)
- [CMBatchedSensorManager.DeviceMotionUpdates](coremotion/cmbatchedsensormanager/devicemotionupdates.md)
- [isDeviceMotionActive](coremotion/cmbatchedsensormanager/isdevicemotionactive.md)