# Interface: `IOptions`

[@jupyterlite/kernel](../modules/jupyterlite_kernel.md).[IKernel](../modules/jupyterlite_kernel.IKernel.md).IOptions

The instantiation options for an IKernel.

## Properties

### `id`

> **`id`**: `string`

The kernel id.

#### Defined in

[packages/kernel/src/tokens.ts:100](https://github.com/jupyterlite/jupyterlite/blob/7971e0aa/packages/kernel/src/tokens.ts#L100)

### `location`

> **`location`**: `string`

The location in the virtual filesystem from which the kernel was started.

#### Defined in

[packages/kernel/src/tokens.ts:110](https://github.com/jupyterlite/jupyterlite/blob/7971e0aa/packages/kernel/src/tokens.ts#L110)

### `name`

> **`name`**: `string`

The name of the kernel.

#### Defined in

[packages/kernel/src/tokens.ts:105](https://github.com/jupyterlite/jupyterlite/blob/7971e0aa/packages/kernel/src/tokens.ts#L105)

### `sendMessage`

> **`sendMessage`**:
> [`SendMessage`](../modules/jupyterlite_kernel.IKernel.md#sendmessage)

The method to send messages back to the server.

#### Defined in

[packages/kernel/src/tokens.ts:115](https://github.com/jupyterlite/jupyterlite/blob/7971e0aa/packages/kernel/src/tokens.ts#L115)