title: Json find in array
body: <p>I have this json:</p>
  
  <pre><code>{
  "response":{
      "name":"Demo Shop",
      "items":[
          {
              "id":3,
              "name":"first",
              "cost":10,
              "description":"First description"
          },
          {
              "id":2,
              "name":"second",
              "cost":50,
              "description":"second description"
          }
      ],
      "coupon":false
  }
  }
  </code></pre>
  
  <p>I need to parse this json and get description of product by id.</p>