# DynamicGeometryManualUpdate

> Add only ray tracing instances that use RayTracingMode.DynamicGeometryManualUpdate to a RayTracingAccelerationStructure.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Rendering](/engine/6000.5/script-reference/unityengine/rendering.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
DynamicGeometryManualUpdate = 16
```

### Remarks

Additional Resources: [RayTracingAccelerationStructure.UpdateInstanceGeometry](/engine/6000.5/script-reference/unityengine/rendering/raytracingaccelerationstructure/updateinstancegeometry.md).