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

# Function: getAuthSessionBackend()

> **getAuthSessionBackend**(): [`AuthSessionBackend`](../interfaces/AuthSessionBackend.md)

Defined in: [packages/b2c-tooling-sdk/src/auth/session-store.ts:236](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/2feab01f654eec77c6d702777ec2818472f131f1/packages/b2c-tooling-sdk/src/auth/session-store.ts#L236)

Returns the active backend (lazily creating a file-backed default if none has been set).

## Returns

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