<BlockSwitcher>
<Block name="Java">

```java
private void downloadFile(File file, String key, String otherIdentityId) {
    StorageDownloadFileOptions options = StorageDownloadFileOptions.builder()
        .accessLevel(StorageAccessLevel.PROTECTED)
        .targetIdentityId(otherIdentityId)
        .build();

    Amplify.Storage.downloadFile(key, file, options,
        result -> Log.i("MyAmplifyApp", "Successfully downloaded: " + key),
        error -> Log.e("MyAmplifyApp", "Download failed", error)
    );
}
```

</Block>
<Block name="Kotlin - Callbacks">

```kotlin
private fun downloadFile(file: File, key: String, otherIdentityId: String) {
    val options = StorageDownloadFileOptions.builder()
        .accessLevel(StorageAccessLevel.PROTECTED)
        .targetIdentityId(otherIdentityId)
        .build()
    
    Amplify.Storage.downloadFile(key, file, options,
        { Log.i("MyAmplifyApp", "Successfully downloaded: $key") },
        { error -> Log.e("MyAmplifyApp", "Download failed", error) }
    )
}
```

</Block>
<Block name="Kotlin - Coroutines">

```kotlin
private suspend fun downloadFile(file: File, key: String, otherIdentityId: String) {
    val options = StorageDownloadFileOptions.builder()
        .accessLevel(StorageAccessLevel.PROTECTED)
        .targetIdentityId(otherIdentityId)
        .build()
    
    val download = Amplify.Storage.downloadFile(key, file, options)
    
    try {
        download.result()
        Log.i("MyAmplifyApp", "Successfully downloaded: $key")
    } catch (error: StorageException) {
        Log.e("MyAmplifyApp", "Download failed", error)
    }
}
```

</Block>
</BlockSwitcher>