# ApiFilter Class

Namespace: [PIX.ApiFiltering](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.ApiFiltering.htm)  
Assembly: PIX.dll

## Inheritance

* System.Object
  * ApiFilter

## Syntax

```
public static class ApiFilter
```

## Fields

| Name | Description |
| --- | --- |
| [SystemTypes](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.ApiFiltering.ApiFilter.SystemTypes.htm) |  |

## Methods

| Name | Description |
| --- | --- |
| [FilterFor<T>(T, Nullable<ApiVersion>)](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.ApiFiltering.ApiFilter.FilterFor.htm#PIX_ApiFiltering_ApiFilter_FilterFor__1___0_System_Nullable_PIX_ApiVersion__) |  |
| [FilterFor<T>(List<T>, Nullable<ApiVersion>)](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.ApiFiltering.ApiFilter.FilterFor.htm#PIX_ApiFiltering_ApiFilter_FilterFor__1_System_Collections_Generic_List___0__System_Nullable_PIX_ApiVersion__) |  |