---
title: isActive
framework: appkit
role: symbol
role_heading: Instance Property
path: appkit/nsrunningapplication/isactive
---

# isActive

Indicates whether the application is currently frontmost.

## Declaration

```swift
var isActive: Bool { get }
```

## Discussion

Discussion This property is observable using key-value observing.

## See Also

### Activating applications

- [activate(options:)](appkit/nsrunningapplication/activate(options:).md)
- [activate(from:options:)](appkit/nsrunningapplication/activate(from:options:).md)
- [NSApplication.ActivationOptions](appkit/nsapplication/activationoptions.md)
- [activationPolicy](appkit/nsrunningapplication/activationpolicy.md)
- [NSApplication.ActivationPolicy](appkit/nsapplication/activationpolicy-swift.enum.md)