# Blackboard(GraphView)

> Constructs a Blackboard.

## Definition

* **Type:** Constructor
* **Namespace:** [UnityEditor.Experimental.GraphView](/engine/6000.5/script-reference/unityeditor/experimental/graphview.md)
* **Assembly:** UnityEditor

```csharp
public Blackboard(GraphView associatedGraphView = null)
```

### Parameters

**** (\[GraphView]\(/engine/6000.5/script-reference/unityeditor/experimental/graphview/graphview)):&#x20;