The total line net amount

invoic_Examples
 <price currency="EUR" unitGrossAmount="10.00" unitNetAmount="10.00" grossAmount="20.00" netAmount="20.00" taxRate="25" taxAmount="5.00" netAmountIncTax="25.00"> 
invoic_XPATH

/b24Message/invoice/item/price/@netAmount

invoic_Required
No
invoic_Type
Number
invoic_Sort
22700