title: add a new element in a array of objects typescript angular
body: <p>i have the array:</p>
  <pre><code>{&quot;succees&quot;:false,&quot;message&quot;:&quot;&quot;,&quot;success&quot;:true,&quot;customers&quot;:
      [{&quot;id_customers&quot;:2,
          &quot;code_customers&quot;:&quot;123444444&quot;,
          &quot;trade_name&quot;:&quot;world&quot;,
          }
      ]},
      [{&quot;id_customers&quot;:1,
          &quot;code_customers&quot;:&quot;4444&quot;,
          &quot;trade_name&quot;:&quot;hello&quot;,
          }
      ]}
  }
  </code></pre>
  <p>How can i include a new element in all of the objects to the array??</p>
  <p>I want to do this:</p>
  <pre><code>{&quot;succees&quot;:false,&quot;message&quot;:&quot;&quot;,&quot;success&quot;:true,&quot;customers&quot;:
      [{&quot;id_customers&quot;:2,
          &quot;code_customers&quot;:&quot;123444444&quot;,
          &quot;trade_name&quot;:&quot;world&quot;,
          &quot;collapse&quot;:true,   // The new element i want to include
          }
      ]},
      [{&quot;id_customers&quot;:1,
          &quot;code_customers&quot;:&quot;4444&quot;,
          &quot;trade_name&quot;:&quot;hello&quot;,
          &quot;collapse&quot;:true,   // The new element i want to include
          }
      ]}
  }
  </code></pre>
  <p>I am using angular to do this in my component, but i dont know how can i do that..</p>
  <p>Any help?</p>
  <p>Thank you!</p>