folder:
    - name: Correspondence/Mail - Failed
      path: /mnt/efs//correspondence/out/mailoutbox/failed
      filter:
        regex: ".*.err"
        # use the last known max, or 60 days ago if no last known max
        since: |
          {{`
            {{-  if last_result.results.max }}
            {{  last_result.results.max }}
            {{- else}}
            now-60d
            {{- end}}
          `}}
      transform:
        # Save the newest modified time to the results, overriding the full file listing that would normally be saved
        # if no new files detected, use the last known max
        expr: |
          {
            "detail": {
              "max": string(results.?newest.modified.orValue(last_result().results.?max.orValue("now-60d"))),
            }
          }.toJSON()

        'detail': { 'max':     string(results.?rows[0].max.orValue(last_result().?results.max.orValue(time.Now()))) },