#{order.id}

Customer Name

#{order.customer.fullName}

Product Display Name

#{orderItem.display}

File Fulfillment Download URL

This variable assumes that a file fulfillment action is setup on the product. In the case a file fulfillment action is configured, this variable contains the URL where the customer may download the file.

#{orderItem.fulfillment.file.url}

License Holder Name

This variable assumes that a license fulfillment action is setup on the product. In the case that license fulfillment is configured, this variable contains the licensee name.

#{orderItem.fulfillment.license.licenseName}

Licenses (if multiple, one per line)

This variable assumes that a license fulfillment action is setup on the product. In the case that license fulfillment is configured, this variable lists each license separated by a new line (allowing for the possibility of multiple codes).

#{orderItem.fulfillment.license.licenses.list}

For HTML email and Web delivery only, licenses which might be multiple lines should be surrounded in the pre tag for proper output: 
<pre>
#{orderItem.fulfillment.license.licenses.list}
</pre>