# File lib/ruote/dboard/process_status.rb, line 255
    def position

      workitems.collect { |wi|

        r = [ wi.fei.sid, wi.participant_name ]

        params = (wi.fields['params'] || {}).dup
        params.delete('ref')

        if err = errors.find { |e| e.fei == wi.fei }
          params['error'] = err.message
        end

        r << params
        r
      }
    end