I am trying to add discount using custom column, I found a solution in suiteanswer but seems like something is missing on my script below: function userEventAfterSubmit(type){
recType = nlapiGetRecordType();
recID = nlapiGetRecordId();
var recLoad = nlapiLoadRecord(recType, recID);
var itemcnt = recLoad.getLineItemCount('item');
var itemdiscnt = recLoad.getLineItemCount('item');
var linenumber;
for (var i = 1; i <= itemcnt;i++) {
var itemType = recLoad.getLineItemValue('item', 'itemtype', i);
var itemId = recLoad.getLineItemValue('item', 'item', i);
if (itemType == 'InvtPart') {
linenumber = i;
for (var j = i; j <= itemcnt; j++) {
itemId = recLoad.getLineItemValue('item', 'item', j);
itemType = recLoad.getLineItemValue('item', 'itemtype', j);
if(itemType!='InvtPart')
{
if (itemId == '672') { //Internal ID of the Discount Item
var dct = recLoad.getLineItemValue('item', 'rate', j);
recLoad.setLineItemValue('item', 'custcol_row_discount', linenumber, dct);
i++;
}
}
else if(itemType=='InvtPart' && i!=linenumber){
i++;
break;
}//end if inventory part
} // end of second loop
}//first if
}//first for loop
var id = nlapiSubmitRecord(recLoad, true);
} // end function
function isNullOrEmpty(val)
{
return (val == null || val == '' || val == undefined);
}