# IOInterface.exportFileCallback

> Delegate

Namespace: UnityEngine.Pixyz.IO

```csharp
public delegate void IOInterface.exportFileCallback(uint rootOccurrence, string filename)
```

Parameters

| Type                                                           | Name           | Description |
| -------------------------------------------------------------- | -------------- | ----------- |
| [uint](https://learn.microsoft.com/dotnet/api/system.uint32)   | rootOccurrence |             |
| [string](https://learn.microsoft.com/dotnet/api/system.string) | filename       |             |