Product Documentation Last updated Save as PDF Share Share Tweet Share New updates to this page are now published in the new Knowledge Portal. Learn more in the FAQ. CDI Frequently Asked Questions for Summon CustomersNo image availableCDI Secondary Content TypesNo image availableChanges Summon Customers Will See in the Move to CDINo image availableUsing Normalized Subject Headings from CDINo image availableYour Move to CDINo image available