# QvWsAuthenticationType Enum

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

QlikView WebServer authentication type.

## Syntax

```
public enum QvWsAuthenticationType
```

### Fields

| Name | Description |
| --- | --- |
| CustomUser | Custom users. |
| Header | Header authentication. |
| Ntlm | NTLM authentication. |

### Extension Methods

[ApiFilter.FilterFor<QvWsAuthenticationType>(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__)