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# MTLVertexBufferLayoutDescriptorArray

An array of vertex buffer layout descriptor instances.

```
class MTLVertexBufferLayoutDescriptorArray
```

## Overview

An [`MTLVertexBufferLayoutDescriptorArray`](/documentation/Metal/MTLVertexBufferLayoutDescriptorArray) holds an array of vertex buffer layout states. The methods of [`MTLVertexBufferLayoutDescriptorArray`](/documentation/Metal/MTLVertexBufferLayoutDescriptorArray) set the vertex buffer layout state in the array or retrieve the state from the array.

## Topics

### Accessing a specified vertex buffer layout

[`subscript(_:)`](/documentation/Metal/MTLVertexBufferLayoutDescriptorArray/subscript(_:))

Returns the state of the specified vertex buffer layout.

[`setObject:atIndexedSubscript:`](/documentation/Metal/MTLVertexBufferLayoutDescriptorArray/setObject:atIndexedSubscript:)

Sets the state of the specified vertex buffer layout.


---

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