> 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/api/csharp/yarn.compiler/yarn.compiler.project/yarn.compiler.project.definitions.md).

# Definitions

Property in [Project](/api/csharp/yarn.compiler/yarn.compiler.project.md)

## Summary

Gets or sets the path to a JSON file containing command and function definitions that this project references.

```csharp
public string? Definitions { get; set; }
```

## Remarks

Definitions files are used by editing tools to provide type information and other externally-defined data used by the Yarn scripts.