---
title: descKey
framework: coreservices
role: symbol
role_heading: Instance Property
path: coreservices/aekeydesc/1443267-desckey
---

# descKey

A four-character code of type AEKeyword that uniquely identifies thekey that is associated with the data in the structure. Some keywordconstants are described in Keyword Attribute Constants and Keyword Parameter Constants.See AEKeyword.

## Declaration

```swift
var descKey: AEKeyword
```