title: How to output json with loop?
body: <p>I have some JSON file:</p>
  
  <pre><code>"productsAtributesMaping":[
      {
          "model":"first",
          "params":["0", "1", "2"]
      },
      {
          "model":"second",
          "params":["0", "1", "2", "3", "4"]
      }
  ]
  </code></pre>
  
  <p>How to output a params of each object with loop?</p>