---
title: AEKeyDesc
framework: coreservices
role: symbol
role_heading: Structure
path: coreservices/aekeydesc
---

# AEKeyDesc

Associates a keyword with a descriptor to form a keyword-specifieddescriptor.

## Declaration

```swift
struct AEKeyDesc
```

## Overview

Overview The Apple Event Manager uniquely identifies the various partsof an Apple event by means of keywords associated with correspondingdescriptors. A keyword is an arbitrary constant of type AEKeyword that representsa four-character code.

## Topics

### Initializers

- [init()](coreservices/aekeydesc/1444200-init.md)
- [init(descKey:descContent:)](coreservices/aekeydesc/1448884-init.md)

### Instance Properties

- [descContent](coreservices/aekeydesc/1446095-desccontent.md)
- [descKey](coreservices/aekeydesc/1443267-desckey.md)