# VariableListDef Class

Namespace: [Qlik.Engine](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.htm)  
Assembly: Qlik.Engine.dll

Defines the list of variables in an app.

## Inheritance

* System.Object
  * [AbstractStructure](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.AbstractStructure.htm)
    * VariableListDef

      [](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.VariableListDef.htm)
      #### Derived Classes
      * [VariableObjectViewListDef](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Sense.Client.VariableObjectViewListDef.htm)

## Syntax

```
[ValueClass]
public class VariableListDef : AbstractStructure, IDisposable, IVariableListDef, IAbstractStructure
```

## Constructors

| Name | Description |
| --- | --- |
| [VariableListDef()](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.VariableListDef.-ctor.htm#Qlik_Engine_VariableListDef__ctor) | Creates an instance of the VariableListDef class |

## Properties

| Name | Description |
| --- | --- |
| [Data](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.VariableListDef.Data.htm#Qlik_Engine_VariableListDef_Data) | Data<br><br>JSON property name: qData |
| [ShowConfig](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.VariableListDef.ShowConfig.htm#Qlik_Engine_VariableListDef_ShowConfig) | Shows the system variables if set to true.<br><br>JSON property name: qShowConfig |
| [ShowReserved](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.VariableListDef.ShowReserved.htm#Qlik_Engine_VariableListDef_ShowReserved) | Shows the reserved variables if set to true.<br><br>JSON property name: qShowReserved |
| [ShowSession](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.VariableListDef.ShowSession.htm#Qlik_Engine_VariableListDef_ShowSession) | Shows the session variables if set to true.<br><br>JSON property name: qShowSession |
| [Type](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.VariableListDef.Type.htm#Qlik_Engine_VariableListDef_Type) | Type of variables to include in the list.<br><br>JSON property name: qType |