The LETs of the auto-replenishment orders are not specified.Try to use dispatching rule to specify the earliest delivery date of pegged parent order(numbers of the orders are pegged ,want to specify the ealiest delivery date).How to modify the expression .tried the following 3 expressions , but can not express it very well
　・ME.Order.RightOrder.LET
　・ME.Order.RightOrder[1].LET
　・ME.Order.RightmostOrder.LET