# gameObjectsNotMatchedBecomesOverride

> If a GameObject is not matched up then it can become an added GameObject on the new Prefab instance. This property is only used when used together with ObjectMatchMode.ByHierarchy.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor](/engine/6000.5/script-reference/unityeditor.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public bool gameObjectsNotMatchedBecomesOverride { get; set; }
```

### Remarks

If this property is false then the GameObject will be deleted if it doesn't match a GameObject on the PrefabAsset. Additional Resources: [ConvertToPrefabInstanceSettings.componentsNotMatchedBecomesOverride](/engine/6000.5/script-reference/unityeditor/converttoprefabinstancesettings/componentsnotmatchedbecomesoverride.md), [ConvertToPrefabInstanceSettings.recordPropertyOverridesOfMatches](/engine/6000.5/script-reference/unityeditor/converttoprefabinstancesettings/recordpropertyoverridesofmatches.md).