Object Definitions that you receive with post on different routes

route "/order_cities" receives an object in post of type

let travelObjFromHome = {
      "sourceCity": "New york",
      "departureDate": new Date(),
      "chooseBestOrdering": chooseBestOrdering,
      "citiesToVisit": ["cityName": "city1", "cityName": "city2", "cityName": "city3"]
}