---
title: "read(using:)"
framework: realitykit
role: symbol
role_heading: Instance Method
path: "realitykit/lowlevelinstancedata/read(using:)"
---

# read(using:)

Retrieves the current per instance transform data, for GPU reading.

## Declaration

```swift
final func read(using commandBuffer: any MTLCommandBuffer) -> any MTLBuffer
```