# INxDerivedDefinition 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 INxDerivedDefinition
```

## Properties

| Name | Description |
| --- | --- |
| [FieldDefs](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxDerivedDefinition.FieldDefs.htm#Qlik_Engine_INxDerivedDefinition_FieldDefs) | JSON property name: qFieldDefs |
| [GroupDefs](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxDerivedDefinition.GroupDefs.htm#Qlik_Engine_INxDerivedDefinition_GroupDefs) | JSON property name: qGroupDefs |
| [Name](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxDerivedDefinition.Name.htm#Qlik_Engine_INxDerivedDefinition_Name) | JSON property name: qName |
| [Parameters](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxDerivedDefinition.Parameters.htm#Qlik_Engine_INxDerivedDefinition_Parameters) | JSON property name: qParameters |
| [Tags](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxDerivedDefinition.Tags.htm#Qlik_Engine_INxDerivedDefinition_Tags) | JSON property name: qTags |