# FixedHeight

> Collection view won't wait for the layout to update items, as the all have the same height. fixedItemHeight Needs to be set. More performant but less flexible.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.UIElements](/engine/6000.0/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
FixedHeight = 0
```