# Direction

> Port direction (in or out).

## Definition

* **Type:** Enum
* **Namespace:** [UnityEditor.Experimental.GraphView](/engine/6000.6/script-reference/unityeditor/experimental/graphview.md)
* **Assembly:** UnityEditor

```csharp
public enum Direction
```

## Fields

| Value                                                                                            | Description             |
| ------------------------------------------------------------------------------------------------ | ----------------------- |
| [Input](/engine/6000.6/script-reference/unityeditor/experimental/graphview/direction/input.md)   | Port is an input port.  |
| [Output](/engine/6000.6/script-reference/unityeditor/experimental/graphview/direction/output.md) | Port is an output port. |