Mail module is used to automatically compose and send email. It is an easy-to-manage alternative to $Messages.
...
Xpath of the container node(s) that contains information of To recipient(s). Optional.
If not specified, the address and displ display name fields are used for sending emails.
Address
Free text field for To address. Use double brace expression to get data from To XPath.
Display Name
Free text field for To display name. Use double brace expression to get data from To XPath.
...