> ## 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.

# LLMInit

> TypeScript SDK reference

Defined in: [src/genai/llm.ts:36](https://github.com/wandb/weave/blob/7c9efdc9fe05ffcaf2430dd652ef9bc5b3ffdfaa/sdks/node/src/genai/llm.ts#L36)

## Extends

* `SpanInitBase`

## Properties

### model

> **model**: `string`

Defined in: [src/genai/llm.ts:37](https://github.com/wandb/weave/blob/7c9efdc9fe05ffcaf2430dd652ef9bc5b3ffdfaa/sdks/node/src/genai/llm.ts#L37)

***

### providerName

> `optional` **providerName**: `string`

Defined in: [src/genai/llm.ts:38](https://github.com/wandb/weave/blob/7c9efdc9fe05ffcaf2430dd652ef9bc5b3ffdfaa/sdks/node/src/genai/llm.ts#L38)

***

### startTime

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

Defined in: [src/genai/spanBase.ts:17](https://github.com/wandb/weave/blob/7c9efdc9fe05ffcaf2430dd652ef9bc5b3ffdfaa/sdks/node/src/genai/spanBase.ts#L17)

#### Inherited from

`SpanInitBase.startTime`

***

### systemInstructions

> `optional` **systemInstructions**: `string`\[]

Defined in: [src/genai/llm.ts:39](https://github.com/wandb/weave/blob/7c9efdc9fe05ffcaf2430dd652ef9bc5b3ffdfaa/sdks/node/src/genai/llm.ts#L39)