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Other useful 'calculated tokens' mentioned were: Total of all fees/fines (if fee/fine notices are developed to allow multiple fee/fines per notice); and having contact information on fee/fine notices based on the location of the lost (or overdue, etc.) item.
Julie asked that we think about best approach, and let her know our thoughts. Julie suggested that a combination of some hard-coded tokens such as the "preferred name or first name" token to solve current issues with logic-branching enhancement to template creation added at a later date could be a pragmatic solution.