# NxListObjectExpression Class

Namespace: [Qlik.Engine](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.htm)  
Assembly: Qlik.Engine.dll

## Inheritance

* System.Object
  * [AbstractStructure](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.AbstractStructure.htm)
    * NxListObjectExpression

      [](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxListObjectExpression.htm)
      #### Derived Classes
      * [ListObjectExpression](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Sense.Client.Visualizations.MapComponents.ListObjectExpression.htm)

## Syntax

```
[ValueClass]
public class NxListObjectExpression : AbstractStructure, IDisposable, INxListObjectExpression, IAbstractStructure
```

## Constructors

| Name | Description |
| --- | --- |
| [NxListObjectExpression()](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxListObjectExpression.-ctor.htm#Qlik_Engine_NxListObjectExpression__ctor) | Creates an instance of the NxListObjectExpression class |

## Properties

| Name | Description |
| --- | --- |
| [Error](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxListObjectExpression.Error.htm#Qlik_Engine_NxListObjectExpression_Error) | Gives information on the error.<br><br>This parameter is optional.<br><br>JSON property name: qError |
| [Expr](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxListObjectExpression.Expr.htm#Qlik_Engine_NxListObjectExpression_Expr) | Value of the expression.<br><br>JSON property name: qExpr |