{
  "source_table": "pis",
  "transformation_type": "max",
  "grouping_column": "id",
  "absent_default_value": 0,
  "aggregation_column": "num_items",
  "preprocess": {
    "on": [
      "id",
      "paid_date"
    ],
    "replace_with_sum": "num_items"
  },
  "output_feature_name": "max_drugs_in_day"
}
