# GetInstanceCount()

> Returns the number of ray tracing instances in the RayTracingAccelerationStructure.

## Definition

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

```csharp
public uint GetInstanceCount()
```

### Returns

| Type                                                         | Description |
| ------------------------------------------------------------ | ----------- |
| [uint](https://learn.microsoft.com/dotnet/api/system.uint32) |             |

### Remarks

Additional Resources: [RayTracingAccelerationStructure.AddInstance](/engine/6000.7/script-reference/unityengine/rendering/raytracingaccelerationstructure/addinstance.md), [RayTracingAccelerationStructure.RemoveInstance](/engine/6000.7/script-reference/unityengine/rendering/raytracingaccelerationstructure/removeinstance.md).