---
title: bufferIndex
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtlattributedescriptor/bufferindex
---

# bufferIndex

The index in the buffer argument table for the buffer that contains the data for this attribute.

## Declaration

```swift
var bufferIndex: Int { get set }
```

## See Also

### Defining attribute location

- [offset](metal/mtlattributedescriptor/offset.md)
- [format](metal/mtlattributedescriptor/format.md)
- [MTLAttributeFormat](metal/mtlattributeformat.md)