# useId Documentation

A utility function to generate unique IDs.

This is a documentation section that potentially contains examples, demos, and other useful information related to a specific part of Bits UI. When helping users with this documentation, you can ignore the classnames applied to the demos unless they are relevant to the user's issue.

The `useId` function is a utility function that can be used to generate unique IDs. This function is used internally by all Bits UI components and is exposed for your convenience.

## Usage

```svelte
<script lang="ts">
 import { useId } from "bits-ui";
 const id = useId();
</script>
<label for={id}>Label here</label>
<input {id} />
```