---
title: requestStop()
framework: virtualization
role: symbol
role_heading: Instance Method
path: virtualization/vzvirtualmachine/requeststop()
---

# requestStop()

Asks the guest operating system to stop running.

## Declaration

```swift
func requestStop() throws
```

## Discussion

Discussion note: In Objective-C, this function returns a value that indicates if the VM was in a stoppable state when you made the request. It doesn’t reflect whether the VM will exit or has exited.

## See Also

### Starting and stopping the VM

- [start(completionHandler:)](virtualization/vzvirtualmachine/start(completionhandler:).md)
- [start()](virtualization/vzvirtualmachine/start().md)
- [start(options:completionHandler:)](virtualization/vzvirtualmachine/start(options:completionhandler:).md)
- [stop(completionHandler:)](virtualization/vzvirtualmachine/stop(completionhandler:).md)
- [pause(completionHandler:)](virtualization/vzvirtualmachine/pause(completionhandler:).md)
- [resume(completionHandler:)](virtualization/vzvirtualmachine/resume(completionhandler:).md)
- [pause()](virtualization/vzvirtualmachine/pause().md)
- [resume()](virtualization/vzvirtualmachine/resume().md)
- [VZVirtualMachineStartOptions](virtualization/vzvirtualmachinestartoptions.md)