# Editor.EditorUtility.Prefabs.IsComponentAddedToInstance

```csharp
static bool IsComponentAddedToInstance(Component comp)
```

`M:PrefabInstanceData.IsAddedComponent(Sandbox.Component)`

### Parameters

- `comp` (`Component`)

### Returns

`bool`

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