> For the complete documentation index, see [llms.txt](https://docs.chainvine.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.chainvine.xyz/developers/sdk/classes-and-functions/chainvineclient/linkreferrer-payload.md).

# linkReferrer(\[payload,])

### Warning - May 25, 2023

This method is deprecated, and will be sunset in upcoming versions of the SDK.

```typescript
import { ChainvineClient } from '@chainvine/sdk';

const client = new ChainvineClient({
    apiKey: '9dj022didj', //your api key
});

const wallet_address = '0x1234567890';
const referrer = 'ABC2938';
const campaign_id = 'aSlug123';

const res = await client.linkToReferrer({
  campaign_id,
  wallet_address,
  referrer,
});
```

## Payload

<table><thead><tr><th width="180">Param</th><th width="141">Required</th><th>Description</th></tr></thead><tbody><tr><td>wallet_address</td><td>required</td><td>the wallet of the user being referred</td></tr><tr><td>referrer</td><td>required</td><td>the referrer's referral code</td></tr><tr><td>slug</td><td>optional</td><td>the campaign slug to create the link for</td></tr></tbody></table>

## Response

```typescript
void
```