---
title: tryCancel()
framework: metal
role: symbol
role_heading: Instance Method
path: metal/mtliocommandbuffer/trycancel()
---

# tryCancel()

Submits a request to abandon a command buffer the queue is currently running.

## Declaration

```swift
func tryCancel()
```

## Discussion

Discussion Check the command buffer’s status property after it completes, either after waitUntilCompleted() or in one of your completion handlers (see addCompletedHandler(_:)).