Details about implementing PMI attributes within various CAD systems is beyond the scope of this aPriori documentation. aPriori encourages you to get expert guidance regarding best practices for creating semantic (machine-readable) PMI from your CAD vendor, particularly since CAD vendors are also making enhancements in this area of functionality. However, the following topics might help you get started in identifying and creating PMI attributes in your CAD system that can be imported into aPriori.