---
title: Luid scalar | Wartiva GraphQL API
description: MS Windows locally unique identifier (LUID). Wartiva GraphQL API reference with arguments, fields, and examples.
url: https://wartiva.com/api-docs/types/luid.html
updated: 2026-10-07
---

Endpoint configuration · GraphQL scalar

# `Luid` scalar

MS Windows locally unique identifier (LUID). A 64-bit value that is guaranteed to be unique on the operating system that generated it until the system is restarted.

## Used by

- [`LogonSessionWindows`](https://wartiva.com/api-docs/types/logon-session-windows.html) type: MS Windows O/S specific logon session information.

## Example

### Example

```json
"999"

```

---

Wartiva is in early access. Request access: https://wartiva.com/early-access.html  
All pages: https://wartiva.com/llms.txt