---
title: GetUID
framework: VideoDriverKit
role: symbol
role_heading: Instance Method
platforms: [driverkit 27.0+]
path: videodriverkit/iouservideoclockdevice/getuid
---

# GetUID

Gets the unique identifier of the clock device.

## Declaration

```occ
OSSharedPtr<OSString> GetUID();
```

## Return Value

Return Value The unique identifier.

## Discussion

Discussion The object’s work queue synchronizes access to the value.