---
title: Legacy subscribe (consent) function
slug: data-platform/docs/websdk-legacy-consent-function
docTags: 
createdAt: 2026-08-10T12:05:16.000Z
---

:::hint{type="info"}
**Note**
The legacy `subscribe()` function is accepted, but no further improvements will be made. Use the [Consent method in the Web SDK](docId\:Dp6MG959TcN_tf2Bu-U2D) for current functionality.
:::

## Opt-in

```javascript
zaius.subscribe({list_id: 'zaius_all', email: 'johnny@zaius.com'});
```

## Opt-out

```javascript
zaius.unsubscribe({list_id: 'zaius_all', email: 'johnny@zaius.com'});
```