title: How convert json object to lower case in dataweave 1.0?
body: <p>Hello I have a json file as payload and strugling to do Transformation to lower case of elements and they values.</p>
  <pre><code>{
   &quot;Name&quot; : &quot;John&quot;.
   &quot;e-mails&quot; : ['Email1@mail.com','email2@Gmail.com']
  }
  </code></pre>
  <p>if its no array in values then this one works fine like <a href="https://stackoverflow.com/questions/48909527/mulesoft-dataweave-converting-the-key-of-a-mapobject-to-lower-case/63619404#63619404">where</a></p>
  <p>but how to deal with arrays?</p>
  <p>expected output:</p>
  <pre><code>{
   &quot;name&quot; : &quot;john&quot;.
   &quot;e-mails&quot; : ['email1@mail.com','email2@gmail.com']
  }
  </code></pre>
  <p>any advice?</p>