---
title: passwordReference
framework: networkextension
role: symbol
role_heading: Instance Property
path: networkextension/nefilterproviderconfiguration/passwordreference
---

# passwordReference

A persistent reference to a keychain item containing a password associated with the filter.

## Declaration

```swift
var passwordReference: Data? { get set }
```

## See Also

### Accessing the filter configuration

- [vendorConfiguration](networkextension/nefilterproviderconfiguration/vendorconfiguration.md)
- [serverAddress](networkextension/nefilterproviderconfiguration/serveraddress.md)
- [username](networkextension/nefilterproviderconfiguration/username.md)
- [organization](networkextension/nefilterproviderconfiguration/organization.md)
- [identityReference](networkextension/nefilterproviderconfiguration/identityreference.md)