# RayTracingAccelerationStructure.ManagementMode

> Defines whether Unity updates a RayTracingAccelerationStructure automatically, or if the user updates it manually via API.

## Definition

* **Type:** Enum
* **Namespace:** [UnityEngine.Rendering](/engine/6000.7/script-reference/unityengine/rendering.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public enum RayTracingAccelerationStructure.ManagementMode
```

## Remarks

Additional Resources: [RayTracingAccelerationStructure.Settings.managementMode](/engine/6000.7/script-reference/unityengine/rendering/raytracingaccelerationstructure/settings/managementmode.md).

## Fields

| Value                                                                                                                          | Description                                                                          |
| ------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------ |
| [Automatic](/engine/6000.7/script-reference/unityengine/rendering/raytracingaccelerationstructure/managementmode/automatic.md) | Automatically populates and updates the RayTracingAccelerationStructure.             |
| [Manual](/engine/6000.7/script-reference/unityengine/rendering/raytracingaccelerationstructure/managementmode/manual.md)       | Gives user control over populating and updating the RayTracingAccelerationStructure. |