> ## Documentation Index
> Fetch the complete documentation index at: https://wb-21fd5541-typedoc-upgrade.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# ToolInit

> TypeScript SDK reference

Defined in: [src/genai/tool.ts:17](https://github.com/wandb/weave/blob/8c5f077eb11c42b84000726ff20504abc728d3fb/sdks/node/src/genai/tool.ts#L17)

## Extends

* `SpanInitBase`

## Properties

### args?

> `optional` **args?**: `string`

Defined in: [src/genai/tool.ts:19](https://github.com/wandb/weave/blob/8c5f077eb11c42b84000726ff20504abc728d3fb/sdks/node/src/genai/tool.ts#L19)

***

### name

> **name**: `string`

Defined in: [src/genai/tool.ts:18](https://github.com/wandb/weave/blob/8c5f077eb11c42b84000726ff20504abc728d3fb/sdks/node/src/genai/tool.ts#L18)

***

### startTime?

> `optional` **startTime?**: `TimeInput`

Defined in: [src/genai/spanBase.ts:17](https://github.com/wandb/weave/blob/8c5f077eb11c42b84000726ff20504abc728d3fb/sdks/node/src/genai/spanBase.ts#L17)

#### Inherited from

`SpanInitBase.startTime`

***

### toolCallId?

> `optional` **toolCallId?**: `string`

Defined in: [src/genai/tool.ts:20](https://github.com/wandb/weave/blob/8c5f077eb11c42b84000726ff20504abc728d3fb/sdks/node/src/genai/tool.ts#L20)