# RepeatAutoFit(GridTrackSize)

> A repeat(auto-fit, track) track: like auto-fill, but empty tracks collapse to 0.

## Definition

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

```csharp
public static GridTrackSize RepeatAutoFit(GridTrackSize track)
```

### Parameters

**** (\[GridTrackSize]\(/engine/6000.7/script-reference/unityengine/uielements/gridtracksize)): 

### Returns

| Type                                                                                     | Description |
| ---------------------------------------------------------------------------------------- | ----------- |
| [GridTrackSize](/engine/6000.7/script-reference/unityengine/uielements/gridtracksize.md) |             |