---
url: /process-functions/hierarchy-exists.md
description: Checks whether a hierarchy exists.
---

# hierarchy.exists

Checks whether a hierarchy exists.

```js
hierarchy.exists(dimension, name)
```

#### Parameters

* `dimension` - The dimension within which to check a hierarchy exists.
* `name` - The identifier of the hierarchy.

#### Example

```js
if( hierarchy.exists("Account", "Profit and Loss")) { //do something }
```