{gdata id=|bTBFtCUnsqU|}

Value:

Any text

The value will be displayed in the email message;

Advanced:

If you want to integrate Contact Enhanced with other systems you just you can send variables in the URL that will populate the fields;

You will just have to add alias=example to the URL, where alias is the Form Field alias. For example we'll prefill the Subject and website fields in our Support Contact Form, take a look:

https://idealextensions.com/support/contact.html?subject=Add+a+subject+via+Query+String&website=adomain.com