---
title: CreateDeviceAsyncPort
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.14+]
path: iokit/iousbdeviceinterface942/2977137-createdeviceasyncport
---

# CreateDeviceAsyncPort

## Declaration

```occ
IOReturn (*CreateDeviceAsyncPort)(void *self, mach_port_t *port);
```