I am trying to figure out how "Actions" work in Odoo 10 Community, and wanted to edit a "feature": When an opportunity is at 100% and/or "Marked as won", it should set the corresponding contact-boolean "Is a Customer" to "True" and send an email.
How can I achieve that?
(Sidequestion: Shouldn't Odoo set "Is a Customer" to "True" automatically when a opportunity is won by default?)