# NotificationCode : [`Enum`](Enum.md)
Code of [`SystemNotification`](../messages/SystemNotification.md).

## Values
|Name|Description|
|----|-----------|
|`Unknown`|Unknown code.|
|`NotAuthenticated`|Value indicate that account is not authenticated.|
|`MessageNotSupported`|Value indicate that message is not supported on server side.|
|`AccessDeny`|Value indicate that current account has no permission to execute such operation.|
|`UserForceDisconnect`|Notify that client must disconnect from server.|