When you include the finder number field on a part, users can enter the finder numbers they receive in mailing packages to associate ther gift with that mailing. The finder number field can be added to donation forms so that users can enter them there.
1. Go to Site Explorer > Parts > Search 2. Filter on Payment 2.0 parts 3. Open the desired part, and scroll down below the confirmation screen and required fields. 4. Mark the checkbox to include finder numbers.