ba-sachsen-pica/bibliotheca/config/main/2240.json

[
  {
    "op": "core/column-addition",
    "engineConfig": {
      "facets": [
        {
          "type": "list",
          "name": "M|026",
          "expression": "grel:value[0,3]",
          "columnName": "M|026",
          "invert": false,
          "omitBlank": false,
          "omitError": false,
          "selection": [
            {
              "v": {
                "v": "ZDB",
                "l": "ZDB"
              }
            }
          ],
          "selectBlank": false,
          "selectError": false
        }
      ],
      "mode": "row-based"
    },
    "baseColumnName": "M|026",
    "expression": "grel:value.slice(3)",
    "onError": "set-to-blank",
    "newColumnName": "2240",
    "columnInsertIndex": 3
  }
]