---
title: value
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/custommaterial/custom-swift.struct/value
---

# value

A custom vector that the framework sends to the material’s shader functions.

## Declaration

```swift
var value: SIMD4<Float>
```

## See Also

### Accessing custom values

- [texture](realitykit/custommaterial/custom-swift.struct/texture.md)