Google Calendar Pack --

I have been using the Google Calendar Pack to pull in my calendar so I can link it against notes. I get invited to a lot of meetings and so I add in a lot of holds to make time for myself. I want to exclude these from the results. Has anyone figured out how to write a formula to exclude values for the Search text option within the pack?

My mind goes to just letting those events come into Coda from Google Calendar, but filtering the table (or Coda calendar view) to hide them from you.