This activity is used to enter the assortment and node level that will be
used when working with rebates. This is necessary when the rebate strategy runs
final settlements where hierarchies are used.
In the final settlement,
the total sales amount is calculated by summing up the invoice amounts of the
rebate transactions for the child customer records. Therefore, it is necessary
that the transactions are created using the same assortment and node levels.
A customer hierarchy must exist.
The rebate agreement conditions for all customers connected to the hierarchy will be defined using the same assortment and node levels.