# IChildListDef Interface

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

Defines the list of children of a generic object.

What is defined in `ChildListDef` has an impact on what the `GetLayout` method returns. See `Example` for more information.

## Syntax

```
[ValueClass]
public interface IChildListDef : IAbstractStructure
```

## Properties

| Name | Description |
| --- | --- |
| [Data](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IChildListDef.Data.htm#Qlik_Engine_IChildListDef_Data) | Data that you want to include in the child list definition.<br><br>You need to enter the paths to the information you want to retrieve.<br><br>JSON property name: qData |