CNContactNamePrefixKey The prefix for the contact’s name. Declarationlet CNContactNamePrefixKey: String DiscussionThis key takes a string value. See AlsoNameCNContactGivenNameKeyCNContactMiddleNameKeyCNContactFamilyNameKeyCNContactPreviousFamilyNameKeyCNContactNameSuffixKeyCNContactNicknameKeyCNContactPhoneticGivenNameKeyCNContactPhoneticMiddleNameKeyCNContactPhoneticFamilyNameKey