---
title: IOUserClientAsyncReferenceArray
framework: driverkit
role: symbol
role_heading: Type Alias
path: driverkit/iouserclientasyncreferencearray
---

# IOUserClientAsyncReferenceArray

## Declaration

```occ
typedef uint64_t[16] IOUserClientAsyncReferenceArray;
```

## See Also

### Communicating with the Client

- [AsyncCompletion](driverkit/iouserclient/asynccompletion.md)
- [KernelCompletion](driverkit/iouserclient/kernelcompletion.md)
- [IOUserClientAsyncArgumentsArray](driverkit/iouserclientasyncargumentsarray.md)
- [Arguments Array Maximum](driverkit/3325601-arguments_array_maximum.md)
- [Reference Array Maximum](driverkit/3325602-reference_array_maximum.md)