---
id: fast-foundation.listbox.slottedoptionfilter
title: Listbox.slottedOptionFilter property
hide_title: true
---
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[@microsoft/fast-foundation](./fast-foundation.md) &gt; [Listbox](./fast-foundation.listbox.md) &gt; [slottedOptionFilter](./fast-foundation.listbox.slottedoptionfilter.md)

## Listbox.slottedOptionFilter property

A static filter to include only selectable options.

<b>Signature:</b>

```typescript
static slottedOptionFilter: (n: HTMLElement) => boolean;
```