@empathyco/x-components/docs/API-reference/api/x-types.ishierarchicalfacet.md

Empathy X Components

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[Home](./index.md) &gt; [@empathyco/x-types](./x-types.md) &gt; [isHierarchicalFacet](./x-types.ishierarchicalfacet.md)

## isHierarchicalFacet() function

Type guard to check if a facet is an [HierarchicalFacet](./x-types.hierarchicalfacet.md)<!-- -->.

**Signature:**

```typescript
export declare function isHierarchicalFacet(facet: Facet): facet is HierarchicalFacet;
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

facet


</td><td>

[Facet](./x-types.facet.md)


</td><td>

The facet to check.


</td></tr>
</tbody></table>

**Returns:**

facet is [HierarchicalFacet](./x-types.hierarchicalfacet.md)

True if the facet is a [HierarchicalFacet](./x-types.hierarchicalfacet.md)<!-- -->, false otherwise.