// Copyright (c) 2017-2024, The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0

include::{generated}/meta/XR_EXT_uuid.adoc[]


*Last Modified Date*::
    2021-10-27

*IP Status*::
    No known IP claims.

*Contributors*::
    Darryl Gough, Microsoft +
    Yin Li, Microsoft +
    Alex Turner, Microsoft +
    David Fields, Microsoft +

*Overview*

This extension defines a Universally Unique Identifier that follows
link:https://www.rfc-editor.org/rfc/rfc4122.html[RFC 4122].

[open,refpage='XrUuidEXT',desc='Universally Unique Identifier',type='structs',xrefs='']
--
The slink:XrUuidEXT structure is a 128-bit Universally Unique Identifier and
is defined as:

include::{generated}/api/structs/XrUuidEXT.adoc[]

.Member Descriptions
****
* pname:data is a 128-bit Universally Unique Identifier.
****

The structure is composed of 16 octets, with the size and order of the
fields defined in
link:https://www.rfc-editor.org/rfc/rfc4122.html#section-4.1.2[RFC 4122
section 4.1.2].

include::{generated}/validity/structs/XrUuidEXT.adoc[]
--

*New Object Types*

*New Flag Types*

*New Enum Constants*

* ename:XR_UUID_SIZE_EXT

*New Enums*

*New Structures*

* slink:XrUuidEXT

*New Functions*

*Issues*

*Version History*

* Revision 1, 2021-10-27 (Darryl Gough)
** Initial extension description
