---
title: authenticationCertificateChain
framework: IdentityDocumentServices
role: symbol
role_heading: Instance Property
platforms: [iOS 26.0+, iPadOS 26.0+, macOS 26.0+]
path: identitydocumentservices/iso18013mobiledocumentrequest/requestauthentication/authenticationcertificatechain
---

# authenticationCertificateChain

A certificate chain that you use to authenticate the relying party.

## Declaration

```swift
var authenticationCertificateChain: [SecCertificate] { get set }
```