[**@langchain/langgraph-sdk**](../README.md)

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[@langchain/langgraph-sdk](../README.md) / useStream

# Function: useStream()

> **useStream**\<`StateType`, `Bag`\>(`options`): [`UseStream`](../interfaces/UseStream.md)\<`StateType`, `Bag`\>

Defined in: [react/stream.tsx:652](https://github.com/langchain-ai/langgraph/blob/a7ea5e44ce12e3618d1a766587163afbfe424e04/libs/sdk-js/src/react/stream.tsx#L652)

## Type Parameters

• **StateType** *extends* `Record`\<`string`, `unknown`\> = `Record`\<`string`, `unknown`\>

• **Bag** *extends* `object` = `BagTemplate`

## Parameters

### options

[`UseStreamOptions`](../interfaces/UseStreamOptions.md)\<`StateType`, `Bag`\>

## Returns

[`UseStream`](../interfaces/UseStream.md)\<`StateType`, `Bag`\>