{
  "my_calculated_variable": {
    "path": "my_calculated_variable",
    "name": "my_calculated_variable",
    "properties": [
      {
        "type": "property",
        "name": "mandatory",
        "ori_name": "mandatory",
        "access_control": false
      },
      {
        "type": "property",
        "name": "unique",
        "ori_name": "unique",
        "access_control": false
      }
    ],
    "mode": "standard",
    "type": "variable",
    "variable_type": "string",
    "multiple": true
  }
}