[
  {
    "op": "core/row-removal",
    "engineConfig": {
      "facets": [
        {
          "type": "list",
          "name": "ddb:transfer",
          "expression": "grel:row.record.cells['ddb:transfer'].value.join('').toLowercase().contains('.pdf')",
          "columnName": "ddb:transfer",
          "invert": false,
          "omitBlank": false,
          "omitError": false,
          "selection": [
            {
              "v": {
                "v": false,
                "l": "false"
              }
            }
          ],
          "selectBlank": false,
          "selectError": false
        }
      ],
      "mode": "record-based"
    },
    "description": "Remove rows"
  }
]