---
title: blacklisted
framework: metal
role: symbol
role_heading: Type Property
path: metal/mtlcommandbuffererror-swift.struct/blacklisted
---

# blacklisted

A former error code that indicates the system has revoked the Metal device’s access because it’s responsible for too many timeouts or hangs.

## Declaration

```swift
static var blacklisted: MTLCommandBufferError.Code { get }
```