# ComputeCRC()

> Computes a CRC hash value from the content of the material.

## Definition

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

```csharp
public int ComputeCRC()
```

### Returns

| Type                                                       | Description |
| ---------------------------------------------------------- | ----------- |
| [int](https://learn.microsoft.com/dotnet/api/system.int32) |             |

### Remarks

The computation of CRC values may change in future Unity releases. Therefore, do not use CRC values for serialization.