---
title: ttlsInnerAuthenticationType
framework: networkextension
role: symbol
role_heading: Instance Property
path: networkextension/nehotspoteapsettings/ttlsinnerauthenticationtype-swift.property
---

# ttlsInnerAuthenticationType

The inner-layer authentication protocol used by a TTLS module.

## Declaration

```swift
var ttlsInnerAuthenticationType: NEHotspotEAPSettings.TTLSInnerAuthenticationType { get set }
```

## Discussion

Discussion Optional. Supported protocols include PAP, CHAP, MS-CHAP, MS-CHAPv2, and EAP. The default protocol is EAP. For values, see NEHotspotEAPSettings.TTLSInnerAuthenticationType.

## See Also

### Accessing EAP properties

- [isTLSClientCertificateRequired](networkextension/nehotspoteapsettings/istlsclientcertificaterequired.md)
- [trustedServerNames](networkextension/nehotspoteapsettings/trustedservernames.md)
- [supportedEAPTypes](networkextension/nehotspoteapsettings/supportedeaptypes.md)
- [NEHotspotEAPSettings.EAPType](networkextension/nehotspoteapsettings/eaptype.md)
- [username](networkextension/nehotspoteapsettings/username.md)
- [password](networkextension/nehotspoteapsettings/password.md)
- [preferredTLSVersion](networkextension/nehotspoteapsettings/preferredtlsversion.md)
- [NEHotspotEAPSettings.TLSVersion](networkextension/nehotspoteapsettings/tlsversion.md)
- [outerIdentity](networkextension/nehotspoteapsettings/outeridentity.md)
- [NEHotspotEAPSettings.TTLSInnerAuthenticationType](networkextension/nehotspoteapsettings/ttlsinnerauthenticationtype-swift.enum.md)