{
  "flat_keys": [
    "cost_center",
    "location",
    "customer",
    "event"
  ],
  "extract_keys": {
    "customer.addresses": {
      "flat_keys": [],
      "extract_keys": {}
    },
    "customer.phone_numbers": {
      "flat_keys": [],
      "extract_keys": {}
    },
    "price_modifiers": {
      "flat_keys": [],
      "extract_keys": {}
    },
    "tender_items": {
      "flat_keys": [],
      "extract_keys": {}
    },
    "fee_items": {
      "flat_keys": [],
      "extract_keys": {}
    },
    "tax_items": {
      "flat_keys": [],
      "extract_keys": {}
    },
    "loyalty": {
      "flat_keys": [],
      "extract_keys": {}
    },
    "sale_items": {
      "flat_keys": [],
      "extract_keys": {
        "categories": {
          "key": "categories"
        },
        "modifiers": {
          "key": "modifiers",
          "flat_keys": [],
          "extract_keys": {
            "categories": {
              "key": "categories"
            }
          }
        }
      }
    }
  }
}