# useId Documentation

A utility function to generate unique IDs.

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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} />
```