---
title: name
framework: realitykit
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: realitykit/shadergraph/nodedefinition/name
---

# name

The unique identifier for this node definition.

## Declaration

```swift
var name: String { get }
```

## Discussion

Discussion Names follow the MaterialX convention, encoding the functional operation, input types, and output type. For example, ND_atan2_float identifies the two-argument arctangent node whose output is a float. Use this value to look up a specific definition via definition(named:).