# HierarchySiblingContext

> _Since v3.9.0_

Position of a natural sibling list inside the hierarchy.

## Properties

| Property | Type | Description |
| -------- | ---- | ----------- |
| <span id="parent"></span>`parent` | <code>unknown</code> | The row whose children this list is, or `null` for the root list. |
| <span id="parentkey"></span>`parentKey` | <code>string &#124; unknown</code> | Key of the parent node, or `null` for the root list. |
| <span id="depth"></span>`depth` | <code>number</code> | Depth of the nodes in this list (0 = root). |