# useQueryClient

```ts
function useQueryClient(queryClient?): QueryClient;
```

Defined in: [packages/svelte-query/src/useQueryClient.ts:4](https://github.com/TanStack/query/blob/main/packages/svelte-query/src/useQueryClient.ts#L4)

## Parameters

### queryClient?

[`QueryClient`](../classes/QueryClient.md)

## Returns

[`QueryClient`](../classes/QueryClient.md)