# IAlternateStateData Interface

Namespace: [Qlik.Engine](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.htm)  
Assembly: Qlik.Engine.dll

## Syntax

```
[ValueClass]
public interface IAlternateStateData
```

## Properties

| Name | Description |
| --- | --- |
| [FieldItems](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IAlternateStateData.FieldItems.htm#Qlik_Engine_IAlternateStateData_FieldItems) | List of the selections.<br><br>JSON property name: qFieldItems |
| [StateName](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IAlternateStateData.StateName.htm#Qlik_Engine_IAlternateStateData_StateName) | Name of the alternate state.<br><br>Default is current selections: $<br><br>JSON property name: qStateName |