# PortConnectorUI

> Specifies the visual style of the connector used to represent a port in the UI.

## Definition

* **Type:** Enum
* **Namespace:** [Unity.GraphToolkit.Editor](/engine/6000.5/script-reference/unity/graphtoolkit/editor.md)
* **Assembly:** UnityEditor

```csharp
public enum PortConnectorUI
```

## Remarks

Use this enum to define how the connector of a port appears visually. The connector indicates the type or role of the port and can help users understand connection semantics.

## Fields

| Value                                                                                               | Description                   |
| --------------------------------------------------------------------------------------------------- | ----------------------------- |
| [Arrowhead](/engine/6000.5/script-reference/unity/graphtoolkit/editor/portconnectorui/arrowhead.md) | An arrowhead connector shape. |
| [Circle](/engine/6000.5/script-reference/unity/graphtoolkit/editor/portconnectorui/circle.md)       | A circular connector shape.   |