GTA API identifiers created for exclusive use by OPC UA shall be of type org.opcfoundation.product_instance_uri or org.opcfoundation.application_instance_uri and their respective value shall be set to the ProductInstanceUri or ApplicationUri respectively.

Adhering to this convention allows convenient enumeration of all personalities belonging to a specific ProductInstanceUri or ApplicationUri using gta_personality_enumerate() or direct selection of a personality using its personality name.