# componentsNotMatchedBecomesOverride

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

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor](/engine/6000.3/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

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

### Remarks

If this property is false then the Component will be deleted if it doesn't match a Component on the PrefabAsset. Additional Resources: [ConvertToPrefabInstanceSettings.gameObjectsNotMatchedBecomesOverride](/engine/6000.3/script-reference/unityeditor/converttoprefabinstancesettings/gameobjectsnotmatchedbecomesoverride.md), [ConvertToPrefabInstanceSettings.recordPropertyOverridesOfMatches](/engine/6000.3/script-reference/unityeditor/converttoprefabinstancesettings/recordpropertyoverridesofmatches.md).