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[@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:614](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/e7c16f1ae423da0aa47b3e10be88f9770b53619b/packages/b2c-tooling-sdk/src/clients/middleware.ts#L614)

## Parameters

### config

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

## Returns

`Middleware`