# MetaAttributesDef Class

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

The metadata object used by all app objects

## Inheritance

* System.Object
  * [AbstractStructure](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.AbstractStructure.htm)
    * [NxMetaDef](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxMetaDef.htm)
      * MetaAttributesDef

## Syntax

```
public class MetaAttributesDef : NxMetaDef, IDisposable, IMetaAttributesDef, INxMetaDef, IAbstractStructure
```

## Constructors

| Name | Description |
| --- | --- |
| [MetaAttributesDef()](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Sense.Client.MetaAttributesDef.-ctor.htm#Qlik_Sense_Client_MetaAttributesDef__ctor) | Creates an instance of the MetaAttributesDef class |

## Properties

| Name | Description |
| --- | --- |
| [Annotation](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Sense.Client.MetaAttributesDef.Annotation.htm#Qlik_Sense_Client_MetaAttributesDef_Annotation) | JSON property name: annotation |
| [Description](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Sense.Client.MetaAttributesDef.Description.htm#Qlik_Sense_Client_MetaAttributesDef_Description) | Short description for the app object<br><br>JSON property name: description |
| [Tags](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Sense.Client.MetaAttributesDef.Tags.htm#Qlik_Sense_Client_MetaAttributesDef_Tags) | Tags for the app object<br><br>JSON property name: tags |
| [Title](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Sense.Client.MetaAttributesDef.Title.htm#Qlik_Sense_Client_MetaAttributesDef_Title) | Title for the app object<br><br>JSON property name: title |