---
title: architecture
framework: appkit
role: symbol
role_heading: Type Property
path: appkit/nsworkspace/launchconfigurationkey/architecture
---

# architecture

The value is an NSNumber containing an Mach-O Architecture constant.  Ignored if a new instance of the app is not launched.

## Declaration

```swift
static let architecture: NSWorkspace.LaunchConfigurationKey
```

## See Also

### Type Properties

- [appleEvent](appkit/nsworkspace/launchconfigurationkey/appleevent.md)
- [arguments](appkit/nsworkspace/launchconfigurationkey/arguments.md)
- [environment](appkit/nsworkspace/launchconfigurationkey/environment.md)