[ { "op": "core/column-addition", "engineConfig": { "facets": [], "mode": "row-based" }, "baseColumnName": "M|IDN", "expression": "grel:value.replace(/^0+/,'')", "onError": "set-to-blank", "newColumnName": "id", "columnInsertIndex": 12, "description": "Create column id at index 12 based on column M|IDN using expression grel:value.replace(/^0+/,'')" } ]