# Key Property

## Overloads

| [Key](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.SearchAttribute.Key.htm#Qlik_Engine_SearchAttribute_Key) |  | String corresponding to `SearchObjectOptions.qAttributes`. It will be `qProperty` for `SearchObjectOptions`.<br><br>JSON property name: qKey |
| --- | --- | --- |

[](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.SearchAttribute.Key.htm) [](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.SearchAttribute.Key.htm)

## Key

String corresponding to `SearchObjectOptions.qAttributes`. It will be `qProperty` for `SearchObjectOptions`.

JSON property name: qKey

### Declaration

```

          public string Key { get; set; }
    
  
```

### Property Value

| Type | Description |
| --- | --- |
| System.String |  |

### Implements

[ISearchAttribute.Key](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.ISearchAttribute.Key.htm#Qlik_Engine_ISearchAttribute_Key)