# NinetyEight.NELoginCallback

## Delegate NELoginCallback <a href="#ninetyeight_nelogincallback" id="ninetyeight_nelogincallback"></a>

Namespace: NinetyEight\
Assembly: APIReference.dll

Callback for login operations.

```csharp
public delegate void NELoginCallback(int errorCode, NELoginData data)
```

**Parameters**

`errorCode` [int](https://learn.microsoft.com/dotnet/api/system.int32)

0 if successful, non-zero if failed.

`data` NELoginData

Login data, or null if login failed.