> For the complete documentation index, see [llms.txt](https://docs.yarnspinner.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yarnspinner.dev/2.1/api/csharp/yarn/yarn.builtintypes/yarn.builtintypes.boolean.md).

# Boolean

Property in [BuiltinTypes](/2.1/api/csharp/yarn/yarn.builtintypes.md)

## Summary

Gets the type representing boolean values.

```csharp
public static IType Boolean { get; };
```