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# makeBuffer(length:options:)

Creates a buffer the method clears with zero values.

```
func makeBuffer(length: Int, options: MTLResourceOptions = []) -> (any MTLBuffer)?
```

## Parameters

`length`

The size of the new buffer, in bytes.

`options`

An [`MTLResourceOptions`](/documentation/Metal/MTLResourceOptions) instance that sets the buffer’s storage and hazard-tracking modes. See [Resource fundamentals](/documentation/Metal/resource-fundamentals) and [Setting resource storage modes](/documentation/Metal/setting-resource-storage-modes) for more information.

## Return Value

A new [`MTLBuffer`](/documentation/Metal/MTLBuffer) instance if the method completed successfully; otherwise `nil`.

## Discussion

---

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