---
title: bufferIndex
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/lowlevelmesh/layout/bufferindex
---

# bufferIndex

The index of the buffer to use for this layout.

## Declaration

```swift
var bufferIndex: Int
```

## Discussion

Discussion Most usage scenarios only use one buffer. Use a buffer index that is less than vertexBufferCount.

## See Also

### Describing a low-level mesh layout

- [bufferOffset](realitykit/lowlevelmesh/layout/bufferoffset.md)
- [bufferStride](realitykit/lowlevelmesh/layout/bufferstride.md)