[**@jupyterlite**](../../../README.md)

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[@jupyterlite](../../../README.md) / [@jupyterlite/types](../README.md) / IFederatedExtension

# Interface: IFederatedExtension

Defined in: [tokens.ts:9](https://github.com/jupyterlite/jupyterlite/blob/5035a96c938c979af25e88bf755c77f330915a2e/packages/types/src/tokens.ts#L9)

The interface for a federated extension, as it appears in `jupyter-config-data`

TODO: sync with schema, Lab core, etc.

## Properties

### extension?

> `optional` **extension**: `string`

Defined in: [tokens.ts:21](https://github.com/jupyterlite/jupyterlite/blob/5035a96c938c979af25e88bf755c77f330915a2e/packages/types/src/tokens.ts#L21)

Optional relative path to the extension

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### load

> **load**: `string`

Defined in: [tokens.ts:17](https://github.com/jupyterlite/jupyterlite/blob/5035a96c938c979af25e88bf755c77f330915a2e/packages/types/src/tokens.ts#L17)

The relative entrypoint to the WebPack remoteEntry

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### mimeExtension?

> `optional` **mimeExtension**: `string`

Defined in: [tokens.ts:29](https://github.com/jupyterlite/jupyterlite/blob/5035a96c938c979af25e88bf755c77f330915a2e/packages/types/src/tokens.ts#L29)

Optional relative path to the mimeExtension

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### name

> **name**: `string`

Defined in: [tokens.ts:13](https://github.com/jupyterlite/jupyterlite/blob/5035a96c938c979af25e88bf755c77f330915a2e/packages/types/src/tokens.ts#L13)

The npm-compatible name of the package

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### style?

> `optional` **style**: `string`

Defined in: [tokens.ts:25](https://github.com/jupyterlite/jupyterlite/blob/5035a96c938c979af25e88bf755c77f330915a2e/packages/types/src/tokens.ts#L25)

Optional path to the style module