RouteGroupKey is the key that determines which POS group will be used during the payment process. When it is sent at the start of a transaction, the entire payment flow is managed through the POS terminals associated with that specific group.
RouteGroupKey is the key that determines which POS group will be used during the payment process. When it is sent at the start of a transaction, the entire payment flow is managed through the POS terminals associated with that specific group.