---
editLink: false
lastUpdated: false
---

[@salesforce/b2c-tooling-sdk](../../modules.md) / [clients](../index.md) / createExtraParamsMiddleware

# Function: createExtraParamsMiddleware()

> **createExtraParamsMiddleware**(`config`): `Middleware`

Defined in: [packages/b2c-tooling-sdk/src/clients/middleware.ts:770](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/1cc5681b8c76554833dc7a40097f33641882a372/packages/b2c-tooling-sdk/src/clients/middleware.ts#L770)

## Parameters

### config

[`ExtraParamsConfig`](../interfaces/ExtraParamsConfig.md)

## Returns

`Middleware`