И в стандартной V3 тоже нет такого действия, хотя CU-6 там уже стоит.
В документе POS_Users_Guid есть упоминание об этом
X++:
Loyalty Request - Enters the s loyalty card number. This operation can
also be initiated by swiping a loyalty card.
The loyalty request can be performed at any point during the
transaction. Retail POS calculates loyalty points at the end of
the transaction.
The number of loyalty points awarded for the items in the
transaction depends on how the loyalty program was set up in
Retail Headquarters.
Или оплата картой как то совсем чудно настраивается?