To add custom fields to Trac, do the following:

  1. Click the Projects link in the top navigation bar.
  2. Find the page with your project.
  3. Click the Gear icon next to your project's name and select 'Manage Custom Fields' from the drop-down menu.
  4. Click the Add A Custom Field button.
  5. Follow the instructions on the page. If your field has multiple values, use a pipe ('|') to separate them.

Once the field has been saved, you can edit or delete it by clicking on the edit or delete icons next to the field name.