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You may modify the amounts of all external price components defined as modifiable (see Getting started section). The screen displays the initial (i.e. the amount defined in the set-up) and the current (modified) amount. The current amount must be less or equal to positive or null. In contrary to the simple charges, the amount of an external price component may be greater than the initial amount.
The pop-up displays each external price component separately, no matter if they belong to a fee type. By this way, you can always modify the amounts individually.
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