---
title: MTL4CommitFeedback
framework: metal
role: symbol
role_heading: Protocol
path: metal/mtl4commitfeedback
---

# MTL4CommitFeedback

Describes an object containing debug information from Metal to your app after completing a workload.

## Declaration

```swift
protocol MTL4CommitFeedback : NSObjectProtocol
```

## Topics

### Instance Properties

- [error](metal/mtl4commitfeedback/error.md)
- [gpuEndTime](metal/mtl4commitfeedback/gpuendtime.md)
- [gpuStartTime](metal/mtl4commitfeedback/gpustarttime.md)

## Relationships

### Inherits From

- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Submitting work to a GPU with Metal 4

- [MTL4CommandQueue](metal/mtl4commandqueue.md)
- [MTL4CommandQueueDescriptor](metal/mtl4commandqueuedescriptor.md)
- [MTL4CommandQueueError](metal/mtl4commandqueueerror-swift.struct.md)
- [MTL4CommandQueueError.Code](metal/mtl4commandqueueerror-swift.struct/code.md)
- [MTL4CommandQueueErrorDomain](metal/mtl4commandqueueerrordomain.md)
- [MTL4CommandBuffer](metal/mtl4commandbuffer.md)
- [MTL4CommandBufferOptions](metal/mtl4commandbufferoptions.md)
- [MTL4CommandEncoder](metal/mtl4commandencoder.md)
- [MTL4RenderEncoderOptions](metal/mtl4renderencoderoptions.md)
- [MTL4ArgumentTable](metal/mtl4argumenttable.md)
- [MTL4ArgumentTableDescriptor](metal/mtl4argumenttabledescriptor.md)
- [MTL4CommandAllocator](metal/mtl4commandallocator.md)
- [MTL4CommandAllocatorDescriptor](metal/mtl4commandallocatordescriptor.md)
- [MTL4CommitOptions](metal/mtl4commitoptions.md)
- [MTL4CommitFeedbackHandler](metal/mtl4commitfeedbackhandler.md)