The use-case here is to capture users in a Scaffolding list-data (to list) and then to convert this list of users to a list of email addresses.
Next is to create a mailto link, such that when the user clicks the link an email is created with the 'to list' populated with all the emails of the users from that field in it.
e.g. the email with html would look like below:
<a href="mailto:email@example.com;firstname.lastname@example.org?subject=MySubject">Click this</a>
Improvements to be done:
For more info please refer to this ticket: https://success.servicerocket.com/support/servicedesk/customer/portal/3/SRSUP-8050