JsonObject employee = new JsonObject(); employee.AddValue("name", "John Doe"); employee.AddValue("designation", "Developer");
JsonObject car = new JsonObject(); car.AddValue("make", "Toyota"); car.AddValue("model", "Camry"); car.AddValue("year", 2020);In this example, a `JsonObject` named `car` is created and three key-value pairs are added to it using the `AddValue` method. The key "make" has the value "Toyota", the key "model" has the value "Camry", and the key "year" has the value 2020. The package library for the `JsonObject` class is `System.Json`.