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---
id: experimental_streamedQuery
title: experimental_streamedQuery
---
```ts
function experimental_streamedQuery<TQueryFnData, TData, TQueryKey>(streamFn): QueryFunction<TData, TQueryKey>;
```
Defined in: [packages/query-core/src/streamedQuery.ts:75](https://github.com/TanStack/query/blob/main/packages/query-core/src/streamedQuery.ts#L75)
This is a helper function to create a query function that streams data from an AsyncIterable.
Data will be an Array of all the chunks received.
The query will be in a 'pending' state until the first chunk of data is received, but will go to 'success' after that.
The query will stay in fetchStatus 'fetching' until the stream ends.
## Type Parameters
### TQueryFnData
`TQueryFnData` = `unknown`
### TData
`TData` = `TQueryFnData`[]
### TQueryKey
`TQueryKey` *extends* readonly `unknown`[] = readonly `unknown`[]
## Parameters
### streamFn
`StreamedQueryParams`\<`TQueryFnData`, `TData`, `TQueryKey`\>
The function that returns an AsyncIterable to stream data from.
## Returns
[`QueryFunction`](../type-aliases/QueryFunction.md)\<`TData`, `TQueryKey`\>
## Example
```ts
await queryClient.query({
queryKey: ['data'],
queryFn: streamedQuery({
streamFn: fetchDataInChunks,
}),
})
```