# VK_UUID_SIZE(3) Manual Page

## Name

VK_UUID_SIZE - Length of a universally unique device or driver build identifier

Loading… please wait.

## C Specification

`VK_UUID_SIZE` is the length in `uint8_t` values of an array containing a universally unique device or driver build identifier, as returned in VkPhysicalDeviceIDProperties::`deviceUUID` and VkPhysicalDeviceIDProperties::`driverUUID`.

    #define VK_UUID_SIZE                      16U

## See Also

VK_VERSION_1_0

## Document Notes

For more information, see the Vulkan Specification

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

## Copyright

Copyright 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0