# INxLibraryDimensionDef Interface

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

## Syntax

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

## Properties

| Name | Description |
| --- | --- |
| [Alias](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxLibraryDimensionDef.Alias.htm#Qlik_Engine_INxLibraryDimensionDef_Alias) | Alias of the dimension.<br><br>JSON property name: qAlias |
| [FieldDefs](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxLibraryDimensionDef.FieldDefs.htm#Qlik_Engine_INxLibraryDimensionDef_FieldDefs) | Array of dimension names.<br><br>JSON property name: qFieldDefs |
| [FieldLabels](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxLibraryDimensionDef.FieldLabels.htm#Qlik_Engine_INxLibraryDimensionDef_FieldLabels) | Array of dimension labels.<br><br>JSON property name: qFieldLabels |
| [Grouping](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxLibraryDimensionDef.Grouping.htm#Qlik_Engine_INxLibraryDimensionDef_Grouping) | Information about the grouping.<br><br>JSON property name: qGrouping |
| [LabelExpression](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxLibraryDimensionDef.LabelExpression.htm#Qlik_Engine_INxLibraryDimensionDef_LabelExpression) | JSON property name: qLabelExpression |