{
  "globalConfig": {...},
  "attributes": {                   // all attributes go here
    "is-in-use": {                  // key for generator in attributes, must be unique
      "data": [                     // files from which to load data
        "src/test/resources/1.0.0/phoneCalls/is-in-use.csv"
      ],
      "insert": {
        "attribute": "is-in-use",   // attribute type to insert
        "column": "values"          // column from which to load values
      }
    },
    ...
  },
  ...
}