GTA API personality names shall be set to an URI query string<InstanceUri>?cg=<CertificateGroup>[&ct=<CertificateType>&ix=<GenerationIndex>]

where

• <InstanceUri > is either the ProductInstanceUri or the ApplicationUri
• <CertificateGroup> is the Name portion of the BrowseName for the OPC UA CertificateGroup (e.g., “DefaultApplicationGroup”), and
• <CertificateType> is the Name portion of the BrowseName for the OPC UA CertificateType (See OPC 10000-12) where any trailing “ApplicationCertificateType” is removed, “EccNistP256ApplicationCertificateType” “EccNistP256”
• <GenerationIndex> is a monotonically increasing number that can be used to distinguish between different versions of the personality. Multiple versions can exist during an update process which takes time to complete.

CertificateType and GenerationIndex are not present for the personality representing the TrustList for the CertificateGroup.