I'm trying to create a html document template , and Need to Map one field which is JSON

[Sumedh Kharode]

I am creating a document template and Need to Map fields from record , which is in JSON format ${payload} , but I need particular value , please let me know how to do that

[palanikumar]

You can use mail_script for this requirement

<mail_script>
  var payload = JSON.parse(current.payload);
  template.print(payload.attribute1);
</mail_script>