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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / How to alter the disco...
Microsoft Dynamics AX (Archived)

How to alter the discount amount while calculating the total in a sales order?

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Posted on by saman0suke 2,894

Hi, I need to make some adjustments in the calculation of the totals in a sales order, I've been debugging and noticing that the container displayFields contains all the values that I need to change (amount, discount, percent, etc) this in the method:

Classes\TradeTotals\displayFields

For example, I am able to recalculate the discount, but no matter what I do, in that method, at this point:

case  TradeTotals::posEndDisc() : displayFields = conpoke(displayFields, TradeTotals::posEndDisc() , this.totalEndDisc()); 

I always get the old discount. Where do I have to set my new discount in order to see it properly in the sales order summary?

Thanks!

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  • Suggested answer
    Rachit Profile Picture
    Rachit 4,015 User Group Leader on at

    Hi,

    You have done good analysis, but you will have to dive a little more deeper at more granular level.

    Try to debug the class TradeTotals\calc() method, under this method discounts are calculated and applied to the total amount. This figure is returned from linediscAmount() method. You have to also check the classes which inherit tradeTotals class because the lineDiscAmount() is calculated in the child class which gets initialized depending on the order. Further when you will debug you will notice the actual calculation happens in Maps\SalesPurchLine\calcLineDiscExclTax() method.

    It is really important to understand how all these classes, tables, maps are knitted together nicely. The more you debug, the more you are able to connect the dots.

    Hope this helps.

    Thanks,

    Rachit Garg

  • Suggested answer
    Community Member Profile Picture
    Community Member on at

    you need consider classes related to sales order total for your purpose of customization

    TradeTotals class is parent class for both Sales order and purchase order

    try exploring and debugging

    following classes like

    SalesTotals

    SalesTotals_Sales

    SalesTotals_Trans

    Please verify and update us with your findings

  • saman0suke Profile Picture
    saman0suke 2,894 on at

    I kept doing some debugging and ended up modifying the calc() method in the TradeTotals class, it did the job, thanks for the tips!

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