The deducted discount amount incl. VAT for the reported transaction (difference between grossSalesAmount - netSalesAmount or grossSalesPrice -netSalesPrice).

slsrpt_Examples
 <price type ="discountAmount">149.49</price>    
slsrpt_XPATH
/b24Message/salesReport/site/sale/item/price[@type="discountAmount"]@value
slsrpt_Required
No
slsrpt_Type
Number
slsrpt_Limits

None

slsrpt_Sort
7100
Id
62