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[@salesforce/b2c-tooling-sdk](../../modules.md) / [instance](../index.md) / B2CInstanceOptions

# Interface: B2CInstanceOptions

Defined in: [packages/b2c-tooling-sdk/src/instance/index.ts:78](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/b099fb909260c5c00c90ca9da612a7f50c1328d4/packages/b2c-tooling-sdk/src/instance/index.ts#L78)

Optional runtime dependencies for a [B2CInstance](../classes/B2CInstance.md).

The OAuth strategy factory lets CLI commands reuse their session-aware auth
resolution (including PKCE refresh and the temporary implicit fallback)
without eagerly starting browser authentication for Basic-only WebDAV work.

## Properties

### oauthStrategy?

> `optional` **oauthStrategy**: [`AuthStrategy`](../../auth/interfaces/AuthStrategy.md) \| () => [`AuthStrategy`](../../auth/interfaces/AuthStrategy.md)

Defined in: [packages/b2c-tooling-sdk/src/instance/index.ts:79](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/b099fb909260c5c00c90ca9da612a7f50c1328d4/packages/b2c-tooling-sdk/src/instance/index.ts#L79)

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### webdavFallbackStrategy?

> `optional` **webdavFallbackStrategy**: [`AuthStrategy`](../../auth/interfaces/AuthStrategy.md) \| () => [`AuthStrategy`](../../auth/interfaces/AuthStrategy.md)

Defined in: [packages/b2c-tooling-sdk/src/instance/index.ts:86](https://github.com/SalesforceCommerceCloud/b2c-developer-tooling/blob/b099fb909260c5c00c90ca9da612a7f50c1328d4/packages/b2c-tooling-sdk/src/instance/index.ts#L86)

WebDAV-only strategy (or lazy factory) used when neither Basic auth nor an
OAuth client is configured, typically a browser login with the built-in
public client. OCAPI and SCAPI never use it. Ignored when `authMethods`
excludes `user`.