I have a client who wants to use the the contact id as an identifier in the Individual Sort Name Format. Basically they want to see "Smith, John (6548)" in search results because they want to use the ID to link to some paper files they are required to keep and they have a lot of contacts with identical names.
At the bottom of Administer --> Customize Data and Screens --> Display Preferences, you can set the Individual Sort Name Format using tokens. However, when I insert
{contact.last_name}{, }{contact.first_name}{ }{contact.contact_id}
it doesn't work. This is the Contact ID token that CiviMail uses, and any other token I stick in there works (like contact.birth_date, which is what they are currently using). But the Contact ID token won't work. Any ideas?