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[Home](./index.md) &gt; [@empathyco/x-components](./x-components.md) &gt; [flatHierarchicalFilters](./x-components.flathierarchicalfilters.md)

## flatHierarchicalFilters() function

This function flattens the Hierarchical Filters, returning an array with all filters including the children.

**Signature:**

```typescript
export declare function flatHierarchicalFilters(hierarchicalFilters: HierarchicalFilter[]): HierarchicalFilter[];
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  hierarchicalFilters | HierarchicalFilter\[\] | The list of Hierarchical Filters to flatten. |

**Returns:**

HierarchicalFilter\[\]

An array with all the Hierarchical filters.