# GetHash128()

> Gets the hash for the BuildReferenceMap.

## Definition

* **Type:** Method
* **Namespace:** [UnityEditor.Build.Content](/engine/6000.6/script-reference/unityeditor/build/content.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public Hash128 GetHash128()
```

### Returns

| Type                                                              | Description |
| ----------------------------------------------------------------- | ----------- |
| [Hash128](/engine/6000.6/script-reference/unityengine/hash128.md) |             |

### Remarks

Internal use only. See [BuildReferenceMap](/engine/6000.6/script-reference/unityeditor/build/content/buildreferencemap.md).