# GetRootItemID()

> Gets the identifier for the root tree item.

## Definition

* **Type:** Method
* **Namespace:** [UnityEditor.Profiling](/engine/6000.7/script-reference/unityeditor/profiling.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public int GetRootItemID()
```

### Returns

| Type                                                       | Description |
| ---------------------------------------------------------- | ----------- |
| [int](https://learn.microsoft.com/dotnet/api/system.int32) |             |

### Remarks

Use root identifier as a starting point when traversing a hierarchical frame data.