# Editor.EditorUtility.Prefabs.WriteInstanceToPrefab

```csharp
static void WriteInstanceToPrefab(GameObject go, bool skipDiskWrite = False)
```

Write a prefab instance back to the prefab file and save it to disk.

### Parameters

- `go` (`GameObject`)
- `skipDiskWrite` (`bool`), default `False`

Declared in [Editor.EditorUtility.Prefabs](/api/Editor.EditorUtility.Prefabs).
Assembly: `Sandbox.Tools`.