# IMasterObjectProperties Interface

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

## Syntax

```
public interface IMasterObjectProperties : IVisualizationBaseProperties, IGenericObjectProperties, IAbstractStructure
```

## Properties

| Name | Description |
| --- | --- |
| [MasterVersion](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Sense.Client.IMasterObjectProperties.MasterVersion.htm#Qlik_Sense_Client_IMasterObjectProperties_MasterVersion) | Version number. Will default to latest Qlik Sense version if not manually set.<br><br>JSON property name: masterVersion |
| [MetaDef](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Sense.Client.IMasterObjectProperties.MetaDef.htm#Qlik_Sense_Client_IMasterObjectProperties_MetaDef) | The metadata object used by all app objects<br><br>JSON property name: qMetaDef |