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

# init

***

# Function: init()

```ts theme={null}
function init(options: GetLoggerOptions & object): Promise<void>;
```

Defined in: [src/singleton.ts](https://github.com/rungalileo/galileo-js/blob/main/src/singleton.ts)

Gets or creates a logger and optionally initializes a session.

Note: When startNewSession is true and an existing session is found via externalId, it is returned as-is.
All other session options (sessionName, previousSessionId, metadata) are ignored in that case -
they only apply when creating a new session. To update an existing session, use an explicit update method.

## Parameters

### options

`GetLoggerOptions` & `object` = `{}`

Configuration options to initialize the logger

## Returns

`Promise`\<`void`>

A promise that resolves when initialization is complete