---
title: device
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtlrasterizationratemap/device
---

# device

The device object that created the rate map.

## Declaration

```swift
var device: any MTLDevice { get }
```

## See Also

### Identifying the rate map

- [label](metal/mtlrasterizationratemap/label.md)