# extraScriptingDefines

> The additional preprocessor defines you can specify while compiling assemblies for the Player. These defines are appended to the existing Scripting Define Symbols list configured in the Player settings.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor](/engine/6000.0/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

```csharp
public string[] extraScriptingDefines { readonly get; set; }
```