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[@salesforce/b2c-tooling-sdk](../../modules.md) / [auth](../index.md) / initializeFileAuthSessionStore

# Function: initializeFileAuthSessionStore()

> **initializeFileAuthSessionStore**(`dataDir`): `void`

Defined in: [packages/b2c-tooling-sdk/src/auth/session-store.ts:254](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/1cc5681b8c76554833dc7a40097f33641882a372/packages/b2c-tooling-sdk/src/auth/session-store.ts#L254)

Convenience: install a [FileAuthSessionBackend](../classes/FileAuthSessionBackend.md) pointed at `dataDir`.

## Parameters

### dataDir

`string`

## Returns

`void`