Immediately upon checkout. Payments are made in full by shoppers and are triggered at the time an order is approved and processed by the payment option chosen by the shopper (ie BNPL’s, Paypal, Visa, Mastercard etc.).
When configured, a transactional email is sent to the email address of the customers account summarizing the fact that when they are part of a shopping group they will be receiving the cashback settlement they are entitled to based on the number of shoppers in the group that have also checked out.