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# dataOutputSynchronizer(_:didOutput:)

Provides a collection of synchronized capture data to the delegate.

```
func dataOutputSynchronizer(_ synchronizer: AVCaptureDataOutputSynchronizer, didOutput synchronizedDataCollection: AVCaptureSynchronizedDataCollection)
```

## Parameters

`synchronizer`

The synchronizer object delivering synchronized data.

`synchronizedDataCollection`

A collection of data samples, one for each capture output governed by the data output synchronizer for which capture data is ready.

## Discussion

Use the data collection’s [`synchronizedData(for:)`](/documentation/AVFoundation/AVCaptureSynchronizedDataCollection/synchronizedData(for:)) method (or equivalent [`subscript(_:)`](/documentation/AVFoundation/AVCaptureSynchronizedDataCollection/subscript(_:)) operator) to retrieve the captured data corresponding to each capture output.

---

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