title: Need clarification on insert API call in Zoho crm
body: <p>I got the below error while trying store contact form value to zoho. </p>
  
  <pre><code>My xml code:
  ------------
  When i give the name and email address as hard coded it will works fine:
  var xmlDoc = '&lt;Contacts&gt;&lt;row no="1"&gt;&lt;FL val="First Name"&gt;Peter&lt;/FL&gt;&lt;FL val="Last Name"&gt;jhon&lt;/FL&gt;&lt;FL val="Email"&gt;peter.r@gmail.com&lt;/FL&gt;&lt;/row&gt;&lt;/Contacts&gt;';
  
  
  While concatenating it throw error
  Error:
  &lt;message&gt;Unable to parse XML data&lt;/message&gt;
  
  var xml = '&lt;Contacts&gt;&lt;row no="1"&gt;&lt;FL val="First Name"&gt;' + contact.firstName + '&lt;/FL&gt;&lt;FL val="Last Name"&gt;' + contact.lastName + '&lt;/row&gt;&lt;/Contacts&gt;';
  </code></pre>