# IMongoFieldProperties Interface

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

## Syntax

```
[ValueClass]
public interface IMongoFieldProperties
```

## Properties

| Name | Description |
| --- | --- |
| [FieldName](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IMongoFieldProperties.FieldName.htm#Qlik_Engine_IMongoFieldProperties_FieldName) | JSON property name: qFieldName |
| [OneAndOnlyOneSelections](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IMongoFieldProperties.OneAndOnlyOneSelections.htm#Qlik_Engine_IMongoFieldProperties_OneAndOnlyOneSelections) | JSON property name: qOneAndOnlyOneSelections |