---
title: "withUnsafeSampleBuffer(_:)"
framework: coremedia
role: symbol
role_heading: Instance Method
path: "coremedia/cmreadysamplebuffer/withunsafesamplebuffer(_:)"
---

# withUnsafeSampleBuffer(_:)

Access the underlying CMSampleBuffer instance.

## Declaration

```swift
func withUnsafeSampleBuffer<R>(_ body: (CMSampleBuffer) throws -> sending R) rethrows -> sending R where R : ~Copyable
```