> For the complete documentation index, see [llms.txt](https://dev.vulos.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev.vulos.io/reference/identity-javascript-sdk/the-frontend-auth-package.md).

# The Frontend Auth Package

This package contains the frontend implementation for [`BaseAuth`](/reference/identity-javascript-sdk/the-base-package/authentication/baseauth.md).

`npm install @vulos/identity-browser-sdk --save`

## Classes

{% content-ref url="/pages/cogqrvCcexWUFwQ5TSrS" %}
[StateVerifier](/reference/identity-javascript-sdk/the-frontend-auth-package/stateverifier.md)
{% endcontent-ref %}

{% content-ref url="/pages/AqcvcWOd9sojy4K09cgW" %}
[FrontendAuth](/reference/identity-javascript-sdk/the-frontend-auth-package/frontendauth.md)
{% endcontent-ref %}

## Functions

{% content-ref url="/pages/ejJGI51Finc69EceAidn" %}
[IFrameRefresh](/reference/identity-javascript-sdk/the-frontend-auth-package/iframerefresh.md)
{% endcontent-ref %}