> ## Documentation Index
> Fetch the complete documentation index at: https://baileys.wiki/llms.txt
> Use this file to discover all available pages before exploring further.

# buildPairingQRData

> Function buildPairingQRData in the Baileys API.

> **buildPairingQRData**(`ref`, `noiseKeyB64`, `identityKeyB64`, `advB64`, `browser`): `string`

Defined in: [src/Utils/companion-reg-client-utils.ts:37](https://github.com/WhiskeySockets/Baileys/blob/master/src/Utils/companion-reg-client-utils.ts#L37)

## Parameters

### ref

`string`

### noiseKeyB64

`string`

### identityKeyB64

`string`

### advB64

`string`

### browser

[`WABrowserDescription`](/api-reference/type-aliases/WABrowserDescription)

## Returns

`string`