---
url: /process-functions/hierarchy-rootelements.md
description: Returns all the root elements for a hierarchy in a dimension.
---

# hierarchy.rootElements

Returns all the root elements for a hierarchy in a dimension.

```js
hierarchy.rootElements(dimension, hierarchy)
```

#### Parameters

* `dimension` - The dimension in which the hierarchy exists in which to check for a root elements.
* `hierarchy` - The hierarchy in which root members need to be listed.

#### Example

```js
let members = JSON.parse(hierarchy.rootElements("Account", "Profit and Loss"));
```