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

# Interface: SessionInit

> TypeScript SDK reference

[weave](../) / SessionInit

## Table of contents

### Properties

* [agentName](./sessioninit#agentname)
* [model](./sessioninit#model)
* [sessionId](./sessioninit#sessionid)

## Properties

### agentName

• `Optional` **agentName**: `string`

#### Defined in

[genai/session.ts:7](https://github.com/wandb/weave/blob/6538626556c93d6f31ae725fdefe4e6b8b71bc2c/sdks/node/src/genai/session.ts#L7)

***

### model

• `Optional` **model**: `string`

#### Defined in

[genai/session.ts:8](https://github.com/wandb/weave/blob/6538626556c93d6f31ae725fdefe4e6b8b71bc2c/sdks/node/src/genai/session.ts#L8)

***

### sessionId

• `Optional` **sessionId**: `string`

Conversation ID propagated to every span under this session as
`gen_ai.conversation.id`. Auto-generated if omitted.

#### Defined in

[genai/session.ts:11](https://github.com/wandb/weave/blob/6538626556c93d6f31ae725fdefe4e6b8b71bc2c/sdks/node/src/genai/session.ts#L11)