[
  {
    "op": "core/text-transform",
    "engineConfig": {
      "facets": [
        {
          "type": "text",
          "name": "relatedItem - location - url - displayLabel",
          "columnName": "relatedItem - location - url - displayLabel",
          "query": "\\.pdf$",
          "mode": "regex",
          "caseSensitive": false,
          "invert": false
        }
      ],
      "mode": "row-based"
    },
    "columnName": "relatedItem - physicalDescription - internetMediaType",
    "expression": "grel:'application/pdf'",
    "onError": "keep-original",
    "repeat": false,
    "repeatCount": 10,
    "description": "Text transform on cells in column relatedItem - physicalDescription - internetMediaType using expression grel:'application/pdf'"
  }
]