---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/tools/formatting/variables/formatListTool.md
description: Format an array of items as a list.
---

# Variable: formatListTool

```ts
const formatListTool: Tool<SpooledArtifact>;
```

Defined in: [batteries/tools/formatting/index.ts:123](https://github.com/NHTIO/ADK/blob/v1.20260605.0/src/batteries/tools/formatting/index.ts#L123)

Format an array of items as a list.

## Remarks

Supported styles: `bullet` (`• item`), `numbered` (`1. item`), `inline_and`
(`a, b, and c`), `inline_or` (`a, b, or c`), `newline` (one per line).