---
title: identityReference
framework: networkextension
role: symbol
role_heading: Instance Property
path: networkextension/nefilterproviderconfiguration/identityreference
---

# identityReference

A persistent reference to a keychain item containing a certificate and private key associated with the filter.

## Declaration

```swift
var identityReference: 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)
- [passwordReference](networkextension/nefilterproviderconfiguration/passwordreference.md)