---
title: kIOPropertyPortDescriptionKey
framework: DriverKit
role: symbol
role_heading: Macro
platforms: [DriverKit 20.0+, macOS 10.3+]
path: kernel/kiopropertyportdescriptionkey
---

# kIOPropertyPortDescriptionKey

## Declaration

```occ
#define kIOPropertyPortDescriptionKey
```

## Discussion

This key is associated with an human readable port description. Examples include "Channel A", "Port 1", etc.

Requirement: Optional for all interconnects.

Example:

```occ
 
 
<dict>
   <key>Controller Characteristics</key>
   <dict>
   	<key>Port Description</key>
   	<string>Channel A</string>
   </dict>
</dict>
```