# CaptchaCallback

> Delegate

Namespace: UnityEngine.Pixyz.Core

```csharp
public delegate ByteList CaptchaCallback(string message, ByteList key)
```

Parameters

| Type                                                           | Name    | Description |
| -------------------------------------------------------------- | ------- | ----------- |
| [string](https://learn.microsoft.com/dotnet/api/system.string) | message |             |
| [ByteList](./core_bytelist)                                    | key     |             |