# Fn

# Type Alias: Fn()

```ts
type Fn = (...args) => any;
```

Defined in: [packages/db/src/types.ts:69](https://github.com/TanStack/db/blob/main/packages/db/src/types.ts#L69)

Represents a utility function that can be attached to a collection

## Parameters

### args

...`any`[]

## Returns

`any`