# defineConfig (/docs/api/functions/defineConfig)



```ts
function defineConfig(config): ActioConfig;
```

Defined in: [packages/core/src/config.ts:151](https://github.com/austenstone/actio/blob/2b01e694a0f76521d8c073f3c6a2e48917d2c9d9/packages/core/src/config.ts#L151)

Identity helper that gives `actio.config.ts` authors full type-checking and inference.

## Parameters [#parameters]

### config [#config]

[`ActioConfig`](../interfaces/ActioConfig.mdx)

## Returns [#returns]

[`ActioConfig`](../interfaces/ActioConfig.mdx)


## Sitemap

Browse the full documentation: [Markdown sitemap](https://austenstone.github.io/actio/sitemap.md) · [XML sitemap](https://austenstone.github.io/actio/sitemap.xml)