Item Table in Quotation - Total Issue

rohit_w · December 28, 2016, 6:11am

System uses the the table which has fieldname items, check below code

frappe/erpnext/blob/master/erpnext/controllers/taxes_and_totals.py#L161-L170


      
          					self.doc.get("taxes")[cint(tax.row_id) - 1].grand_total_fraction_for_current_item
          
          
		if getattr(tax, "add_deduct_tax", None):
          			current_tax_fraction *= -1.0 if (tax.add_deduct_tax == "Deduct") else 1.0
          		return current_tax_fraction
          
          
	def _get_tax_rate(self, tax, item_tax_map):
          		if tax.account_head in item_tax_map:
          			return flt(item_tax_map.get(tax.account_head), self.doc.precision("rate", tax))
          		else:

You have to make changes in this file and making changes in this file will broke your application.
Can you share the case study to add new child table Quotation Item which is already there on the Quotation?