# Prefix Property

## Overloads

| [Prefix](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.QMSAPI.DataObjects.QVWSSettings.Prefix.htm#PIX_QMSAPI_DataObjects_QVWSSettings_Prefix) |  | If the authentication type is Header, this value holds the prefix. |
| --- | --- | --- |

[](https://help.qlik.com/en-US/qlikview-developer/Subsystems/QMSAPIref/Content/PIX.QMSAPI.DataObjects.QVWSSettings.Prefix.htm) [](https://help.qlik.com/en-US/qlikview-developer/Subsystems/QMSAPIref/Content/PIX.QMSAPI.DataObjects.QVWSSettings.Prefix.htm)

## Prefix

If the authentication type is Header, this value holds the prefix.

### Declaration

```

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

### Property Value

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