# crc

> The CRC hash value of a Material that was computed during a RayTracingAccelerationStructure.CullInstances call.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Rendering](/engine/6000.0/script-reference/unityengine/rendering.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public int crc
```

### Remarks

Additional Resources: [Material.ComputeCRC()](/engine/6000.0/script-reference/unityengine/material/computecrc.md).