# ExternalStorageWrite

> Used when requesting permission or checking if permission has been granted to write to external storage such as a SD card.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Android](/engine/6000.3/script-reference/unityengine/android.md)
* **Assembly:** UnityEngine.AndroidJNIModule

```csharp
public const string ExternalStorageWrite = "android.permission.WRITE_EXTERNAL_STORAGE"
```