Session attributes a resolver may use to evaluate application/endpoint restrictions on a Role (OPC 10000-18 §4.4.1).
Optional
ApplicationUri from the Client certificate, if any.
Endpoint URL used by the Session, if known.
SecureChannel security mode.
SecureChannel security policy URI.
Session attributes a resolver may use to evaluate application/endpoint restrictions on a Role (OPC 10000-18 §4.4.1).