---
title: droppedReason
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avcapturesynchronizedsamplebufferdata/droppedreason
---

# droppedReason

A value indicating why the capture output failed to deliver sample buffers, if applicable.

## Declaration

```swift
var droppedReason: AVCaptureOutput.DataDroppedReason { get }
```

## See Also

### Handling dropped data

- [sampleBufferWasDropped](avfoundation/avcapturesynchronizedsamplebufferdata/samplebufferwasdropped.md)