# useMutationState

# Function: useMutationState()

```ts
function useMutationState<TResult>(options, queryClient?): TResult[];
```

Defined in: [packages/svelte-query/src/useMutationState.svelte.ts:22](https://github.com/TanStack/query/blob/main/packages/svelte-query/src/useMutationState.svelte.ts#L22)

## Type Parameters

### TResult

`TResult` = `MutationState`\<`unknown`, `Error`, `unknown`, `unknown`\>

## Parameters

### options

[`MutationStateOptions`](../type-aliases/MutationStateOptions.md)\<`TResult`\> = `{}`

### queryClient?

`QueryClient`

## Returns

`TResult`[]