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

# Message

> TypeScript SDK reference

Defined in: [src/genai/types.ts:27](https://github.com/wandb/weave/blob/7c9efdc9fe05ffcaf2430dd652ef9bc5b3ffdfaa/sdks/node/src/genai/types.ts#L27)

## Properties

### content

> `optional` **content**: `string`

Defined in: [src/genai/types.ts:29](https://github.com/wandb/weave/blob/7c9efdc9fe05ffcaf2430dd652ef9bc5b3ffdfaa/sdks/node/src/genai/types.ts#L29)

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### parts

> `optional` **parts**: [`MessagePart`](../type-aliases/messagepart)\[]

Defined in: [src/genai/types.ts:32](https://github.com/wandb/weave/blob/7c9efdc9fe05ffcaf2430dd652ef9bc5b3ffdfaa/sdks/node/src/genai/types.ts#L32)

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### role

> **role**: [`Role`](../type-aliases/role)

Defined in: [src/genai/types.ts:28](https://github.com/wandb/weave/blob/7c9efdc9fe05ffcaf2430dd652ef9bc5b3ffdfaa/sdks/node/src/genai/types.ts#L28)

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### toolCallId

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

Defined in: [src/genai/types.ts:30](https://github.com/wandb/weave/blob/7c9efdc9fe05ffcaf2430dd652ef9bc5b3ffdfaa/sdks/node/src/genai/types.ts#L30)

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### toolName

> `optional` **toolName**: `string`

Defined in: [src/genai/types.ts:31](https://github.com/wandb/weave/blob/7c9efdc9fe05ffcaf2430dd652ef9bc5b3ffdfaa/sdks/node/src/genai/types.ts#L31)