# NxFieldDerivedDefinition Class

Namespace: [Qlik.Engine](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.htm)  
Assembly: Qlik.Engine.dll

## Inheritance

* System.Object
  * NxFieldDerivedDefinition

## Syntax

```
[ValueClass]
public class NxFieldDerivedDefinition : INxFieldDerivedDefinition
```

## Constructors

| Name | Description |
| --- | --- |
| [NxFieldDerivedDefinition()](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxFieldDerivedDefinition.-ctor.htm#Qlik_Engine_NxFieldDerivedDefinition__ctor) |  |

## Properties

| Name | Description |
| --- | --- |
| [Expression](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxFieldDerivedDefinition.Expression.htm#Qlik_Engine_NxFieldDerivedDefinition_Expression) | JSON property name: qExpression |
| [Name](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxFieldDerivedDefinition.Name.htm#Qlik_Engine_NxFieldDerivedDefinition_Name) | JSON property name: qName |
| [Tags](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxFieldDerivedDefinition.Tags.htm#Qlik_Engine_NxFieldDerivedDefinition_Tags) | JSON property name: qTags |