# uv3

> UV3 coordinates (TEXCOORD3 in the shader).

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.UIElements](/engine/6000.7/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public NativeSlice<Vector4> uv3 { readonly get; set; }
```