---
title: id
framework: usdkit
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: usdkit/usdplayer/meshdata/update/id
---

# id

Unique identifier for the mesh being updated.

## Declaration

```swift
let id: USDPlayer.MeshID
```