---
title: AppParameters
framework: Application Services
role: symbol
role_heading: Structure
platforms: [macOS 10.0+]
path: applicationservices/appparameters
---

# AppParameters

## Declaration

```swift
struct AppParameters
```

## Topics

### Initializers

- [init()](applicationservices/appparameters/1461985-init.md)
- [init(theMsgEvent:eventRefCon:messageLength:)](applicationservices/appparameters/1461815-init.md)

### Instance Properties

- [eventRefCon](applicationservices/appparameters/1462847-eventrefcon.md)
- [messageLength](applicationservices/appparameters/1463729-messagelength.md)
- [theMsgEvent](applicationservices/appparameters/1462322-themsgevent.md)