> ## Documentation Index
> Fetch the complete documentation index at: https://docs.modelence.com/llms.txt
> Use this file to discover all available pages before exploring further.

# obtainSession

[API Reference](/api-reference/modelence/server/functions/../../../index) / [modelence](/api-reference/modelence/server/functions/../../index) / [server](/api-reference/modelence/server/functions/../index) / obtainSession

> **obtainSession**(`authToken`): `Promise`\<`Session`>

Defined in: [packages/modelence/src/auth/session.ts:54](https://github.com/modelence/modelence/blob/0e072e44dd157ae8712ae82111cf4aa756460eba/packages/modelence/src/auth/session.ts#L54)

## Parameters

| Parameter   | Type               |
| ----------- | ------------------ |
| `authToken` | `null` \| `string` |

## Returns

`Promise`\<`Session`>