[youtubei.js](../../../README.md) / [Utils](../README.md) / generateSidAuth

# Function: generateSidAuth()

> **generateSidAuth**(`sid`): `Promise`\<`string`\>

Generates an authentication token from a cookies' sid.

## Parameters

• **sid**: `string`

Sid extracted from cookies

## Returns

`Promise`\<`string`\>

## Defined in

[src/utils/Utils.ts:97](https://github.com/LuanRT/YouTube.js/blob/fc5571629eca037af7de03f4b903da6add1f300b/src/utils/Utils.ts#L97)