> For the complete documentation index, see [llms.txt](https://docs.arweavekit.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.arweavekit.com/auth/auth-plugins.md).

# Auth Plugins

The `use` function exposed via the ArweaveKit object from `arweavekit/auth` package allows you to plugin external packages into arweave kit package.

### Basic Syntax

The function is called as follows:

{% code title="usage.js" %}

```javascript
import * as externalPackage from 'externalPackage';
import { ArweaveKit } from 'arweavekit/auth';

const arweaveKit = ArweaveKit.use({ name: 'MyPlugIn', plugin: externalPackage });

console.log(arweavekit.functionFromExternalPackage())
```

{% endcode %}

{% hint style="info" %}
The ArweaveKit object imported also contains all functions from the ArweaveKit package for ease of use.
{% endhint %}

### Create a Plugin

Most existing packages in Arweave will already be supported without any additional work, the functions just need to be defined and exported in the external package:

{% code title="externalPackage.js" %}

```javascript
import * as ExternalPackage from 'package'
export function PackagePlugIn() {
    return ExternalPackage
}
```

{% endcode %}


---

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