Notification before the opening of Buying window to all marketing users of the countries for which the prices are uploaded. Notification on the starting day of Buying Window to all marketing users of countries for which the prices are uploaded. Notification in the last 24 hours of buying window to the users who have added commitments. Notification of closure of Buying Window to the users who have added commitments. Notification of logistic cost-shared by the supplier to the users who have added commitments.D59