Primavera Unifier document transmission mail function Question

We have a Primavera Unifier system problem that we hope can be solved. Our current system version is v19.12. At present, there is a problem that our users need to select multiple documents in the system's document manager, and then send external e-mails to each other according to the selected groups of users for notification and reception The user's mailbox displays the attribute list information of all the documents selected in the system, so that a user in the group can directly find the work content and information he is responsible for through the document list information, so I hope