---
title: StructuredValue.null
framework: evaluations
role: symbol
role_heading: Case
path: evaluations/structuredvalue/null
---

# StructuredValue.null

A null value.

## Declaration

```swift
case null
```

## See Also

### Primitive values

- [StructuredValue.string(_:)](evaluations/structuredvalue/string(_:).md)
- [StructuredValue.int(_:)](evaluations/structuredvalue/int(_:).md)
- [StructuredValue.double(_:)](evaluations/structuredvalue/double(_:).md)
- [StructuredValue.bool(_:)](evaluations/structuredvalue/bool(_:).md)