# INxLibraryMeasure Interface

Namespace: [Qlik.Engine](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.htm)  
Assembly: Qlik.Engine.dll

Information about the library measure. Is the layout for `NxLibraryMeasureDef`.

## Syntax

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

## Properties

| Name | Description |
| --- | --- |
| [ActiveExpression](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxLibraryMeasure.ActiveExpression.htm#Qlik_Engine_INxLibraryMeasure_ActiveExpression) | JSON property name: qActiveExpression |
| [Def](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxLibraryMeasure.Def.htm#Qlik_Engine_INxLibraryMeasure_Def) | JSON property name: qDef |
| [Expressions](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxLibraryMeasure.Expressions.htm#Qlik_Engine_INxLibraryMeasure_Expressions) | JSON property name: qExpressions |
| [Grouping](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxLibraryMeasure.Grouping.htm#Qlik_Engine_INxLibraryMeasure_Grouping) | JSON property name: qGrouping |
| [Label](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxLibraryMeasure.Label.htm#Qlik_Engine_INxLibraryMeasure_Label) | JSON property name: qLabel |
| [LabelExpression](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxLibraryMeasure.LabelExpression.htm#Qlik_Engine_INxLibraryMeasure_LabelExpression) | JSON property name: qLabelExpression |
| [NumFormat](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxLibraryMeasure.NumFormat.htm#Qlik_Engine_INxLibraryMeasure_NumFormat) | Format of the field.<br><br>This parameter is optional.<br><br>JSON property name: qNumFormat |
| [ScriptGenerated](https://help.qlik.com/en-US/sense-developer/May2026/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxLibraryMeasure.ScriptGenerated.htm#Qlik_Engine_INxLibraryMeasure_ScriptGenerated) | JSON property name: qScriptGenerated |