# GetHash128()

> Gets the hash for the BuildReferenceMap.

## Definition

* **Type:** Method
* **Namespace:** [UnityEditor.Build.Content](/engine/6000.7/script-reference/unityeditor/build/content.md)
* **Assembly:** UnityEditor.CoreModule

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

### Returns

| Type    | Description                              |
| ------- | ---------------------------------------- |
| Hash128 | A 128-bit hash of the BuildReferenceMap. |

### Remarks

Internal use only. See [BuildReferenceMap](/engine/6000.7/script-reference/unityeditor/build/content/buildreferencemap.md).