[Home](./index.md) > [@empathyco/x-components](./x-components.md) > [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.