// https://www.newtonsoft.com/json/help/html/SelectToken.htm

​

using System;

using System.Collections.Generic;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine(JsonConvert.SerializeObject(o.SelectTokens("$..Products[0].Name"), Formatting.Indented));

        Console.WriteLine(JsonConvert.SerializeObject(o.SelectTokens("$..Products[?(@.Price == 50)].Name"), Formatting.Indented));

        Console.WriteLine(JsonConvert.SerializeObject(o.SelectTokens("$..Products[?(@.Price >= 50)].Name"), Formatting.Indented));

    }

    public static JObject o = JObject.Parse(@"{

  'Stores': [

    'Lambton Quay',

    'Willis Street'

  ],

  'Manufacturers': [

    {

      'Name': 'Acme Co',

      'Products': [

        {

          'Name': 'Anvil',

          'Price': 50

        }

      ]

    },

    {

      'Name': 'Contoso',

      'Products': [

        {

          'Name': 'Elbow Grease',

          'Price': 99.95

        },

        {

          'Name': 'Headlight Fluid',

          'Price': 4

        }

      ]

    }

  ]

}");

}