> ## 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: ToolInit

> TypeScript SDK reference

[weave](../) / ToolInit

## Hierarchy

* `SpanInitBase`

  ↳ `ToolInit`

## Table of contents

### Properties

* [args](./toolinit#args)
* [name](./toolinit#name)
* [startTime](./toolinit#starttime)
* [toolCallId](./toolinit#toolcallid)

## Properties

### args

• `Optional` **args**: `string`

#### Defined in

[src/genai/tool.ts:19](https://github.com/wandb/weave/blob/9591aba8a5e77309ee0858e5ba94d31c1bd7e404/sdks/node/src/genai/tool.ts#L19)

***

### name

• **name**: `string`

#### Defined in

[src/genai/tool.ts:18](https://github.com/wandb/weave/blob/9591aba8a5e77309ee0858e5ba94d31c1bd7e404/sdks/node/src/genai/tool.ts#L18)

***

### startTime

• `Optional` **startTime**: `TimeInput`

#### Inherited from

SpanInitBase.startTime

#### Defined in

[src/genai/spanBase.ts:17](https://github.com/wandb/weave/blob/9591aba8a5e77309ee0858e5ba94d31c1bd7e404/sdks/node/src/genai/spanBase.ts#L17)

***

### toolCallId

• `Optional` **toolCallId**: `string`

#### Defined in

[src/genai/tool.ts:20](https://github.com/wandb/weave/blob/9591aba8a5e77309ee0858e5ba94d31c1bd7e404/sdks/node/src/genai/tool.ts#L20)