# ChangesPending()

> Callback that determines if pending changes from a registered node type handler need to be applied to the hierarchy. When the hierarchy is updated, ChangesPending is called on all registered node ype handlers. If they return true, then IntegrateChanges is called on them. If they return false, then IntegrateChanges is not called on them.

## Definition

* **Type:** Method
* **Namespace:** [Unity.Hierarchy](/engine/6000.6/script-reference/unity/hierarchy.md)
* **Assembly:** UnityEngine.HierarchyCoreModule

> **Warning:**
>
> **Removed.** ChangesPending is obsolete, it is replaced by adding commands into the hierarchy node type handler's CommandList.

```csharp
protected virtual bool ChangesPending()
```

### Returns

| Type                                                          | Description                                       |
| ------------------------------------------------------------- | ------------------------------------------------- |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) | `true` if changes are pending, `false` otherwise. |