[Home](./index.md) > [@empathyco/x-components](./x-components.md) > [deepFlat](./x-components.deepflat.md) ## deepFlat() function Flat an `Item[]` deeply using the given `childrenKey` to access to his children. **Signature:** ```typescript export declare function deepFlat(array: Item[], childrenKey: Key): Item[]; ``` ## Parameters

Parameter	Type	Description
array	Item\[\]	The list of items to flat. Each item may have another list of items of the same type to flat.
childrenKey	Key	Property name where each of the items of the given array may have another list of items to be flattened.

**Returns:** Item\[\] A flat list with all the found items.