# Mask Field

Namespace: [PIX.QVWebServer](https://help.qlik.com/en-US/qlikview-developer/May2024/Subsystems/QMSAPIref/Content/PIX.QVWebServer.htm)  
Assembly: PIX.dll

## Syntax

```
public IPAddress Mask
```

## Returns

| Type | Description |
| --- | --- |
| System.Net.IPAddress |  |