# Assertions

> Include assertions in the compiled scripts. By default, the assertions are only included in development builds.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor.Build.Player](/engine/6000.3/script-reference/unityeditor/build/player.md)
* **Assembly:** UnityEditor

```csharp
Assertions = 2
```

### Remarks

Internal use only. See [ScriptCompilationOptions](/engine/6000.3/script-reference/unityeditor/build/player/scriptcompilationoptions.md).