---
title: ShaderGraph.NodeDefinition.Availability
framework: realitykit
role: symbol
role_heading: Enumeration
platforms: [iOS 27.0+, iPadOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: realitykit/shadergraph/nodedefinition/availability-swift.enum
---

# ShaderGraph.NodeDefinition.Availability

## Declaration

```swift
enum Availability
```

## Topics

### Enumeration Cases

- [ShaderGraph.NodeDefinition.Availability.available(introduced:deprecated:obsoleted:)](realitykit/shadergraph/nodedefinition/availability-swift.enum/available(introduced:deprecated:obsoleted:).md)
- [ShaderGraph.NodeDefinition.Availability.unavailable](realitykit/shadergraph/nodedefinition/availability-swift.enum/unavailable.md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)