# Opacity

> The opacity multiplier applied to the wire.

## Definition

* **Type:** Property
* **Namespace:** [Unity.GraphToolkit.Editor](/engine/6000.7/script-reference/unity/graphtoolkit/editor.md)
* **Assembly:** UnityEditor

```csharp
public float Opacity { get; set; }
```

### Remarks

The opacity multiplier is clamped to the \[0, 1] range when set. A value of 0 makes the wire fully transparent, while a value of 1 leaves the wire fully opaque.