# GridLinePlacement

> How a GridLine places one edge of a CSS Grid item.

## Definition

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

```csharp
public enum GridLinePlacement
```

## Fields

| Value                                                                                    | Description                                                  |
| ---------------------------------------------------------------------------------------- | ------------------------------------------------------------ |
| [Auto](/engine/6000.7/script-reference/unityengine/uielements/gridlineplacement/auto.md) | The edge is resolved by the grid's auto-placement algorithm. |
| [Line](/engine/6000.7/script-reference/unityengine/uielements/gridlineplacement/line.md) | An explicit, 1-based grid line.                              |
| [Span](/engine/6000.7/script-reference/unityengine/uielements/gridlineplacement/span.md) | A span of N tracks, measured from the item's opposite edge.  |