---
title: appURL
framework: coreservices
role: symbol
role_heading: Instance Property
path: coreservices/lslaunchurlspec/1443566-appurl
---

# appURL

A Core Foundation URL reference designating the application to launch; see the CFURL Reference in the Core Foundation Reference Documentation for a description of the CFURLRef data type.The URL must have scheme file and contain a valid path to an application file or application bundle. Set this field to NULL to request that each item in the itemURLs array be opened in its own preferred application.

## Declaration

```swift
var appURL: Unmanaged<CFURL>?
```

## See Also

### Configuring a Launch URL

- [asyncRefCon](coreservices/lslaunchurlspec/1448168-asyncrefcon.md)
- [itemURLs](coreservices/lslaunchurlspec/1443759-itemurls.md)
- [launchFlags](coreservices/lslaunchurlspec/1443957-launchflags.md)
- [passThruParams](coreservices/lslaunchurlspec/1445136-passthruparams.md)