# IsSystemOnlyQuery

> Whether the query uses system filters. This means NodeHandlers won't be called for filtering.

## Definition

* **Type:** Property
* **Namespace:** [Unity.Hierarchy](/engine/6000.5/script-reference/unity/hierarchy.md)
* **Assembly:** UnityEngine.HierarchyCoreModule

```csharp
public bool IsSystemOnlyQuery { get; }
```