# Performance Class

Namespace: [PIX](https://help.qlik.com/en-US/qlikview-developer/September2025/Subsystems/QMSAPIref/Content/PIX.htm)  
Assembly: PIX.dll

## Inheritance

* System.Object
  * Performance

## Syntax

```
public class Performance
```

## Constructors

| Name | Description |
| --- | --- |
| [Performance()](https://help.qlik.com/en-US/qlikview-developer/September2025/Subsystems/QMSAPIref/Content/PIX.Performance.-ctor.htm#PIX_Performance__ctor) |  |

### Extension Methods

[ApiFilter.FilterFor<T>(T, Nullable<ApiVersion>)](https://help.qlik.com/en-US/qlikview-developer/September2025/Subsystems/QMSAPIref/Content/PIX.ApiFiltering.ApiFilter.FilterFor.htm#PIX_ApiFiltering_ApiFilter_FilterFor__1___0_System_Nullable_PIX_ApiVersion__)