# Sandbox.SceneUtility.MakeGameObjectsUnique

```csharp
static void MakeGameObjectsUnique(System.Text.Json.Nodes.JsonObject json, System.Nullable<System.Guid> rootGuid = null)
```

> **Obsolete.** Use MakeIdGuidsUnique

### Parameters

- `json` (`System.Text.Json.Nodes.JsonObject`)
- `rootGuid` (`System.Nullable<System.Guid>`), default `null`

Declared in [Sandbox.SceneUtility](/api/Sandbox.SceneUtility).
Assembly: `Sandbox.Engine`.