---
title: asyncLaunchRefCon
framework: coreservices
role: symbol
role_heading: Instance Property
path: coreservices/lsapplicationparameters/1444464-asynclaunchrefcon
---

# asyncLaunchRefCon

The client refCon thatis to appear in subsequent launch notifications.

## Declaration

```swift
var asyncLaunchRefCon: UnsafeMutableRawPointer!
```