---
title: "unmountAndEjectDevice(at:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nsworkspace/unmountandejectdevice(at:)"
---

# unmountAndEjectDevice(at:)

Attempts to eject the volume mounted at the given path.

## Declaration

```swift
func unmountAndEjectDevice(at url: URL) throws
```

## Parameters

- `url`: The URL of the volume to eject.

## Discussion

Discussion You can safely call this method from any thread of your app. note: In Swift, this method returns Void and is marked with the throws keyword to indicate that it throws an error in cases of failure. You call this method in a try expression and handle any errors in the catch clauses of a do statement, as described in Error Handling in The Swift Programming Language and About Imported Cocoa Error Parameters.

## See Also

### Unmounting a Device

- [unmountAndEjectDevice(atPath:)](appkit/nsworkspace/unmountandejectdevice(atpath:).md)