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Hi everyone, I’ve created a custom field in the Price Level subtab of the Item record using the following code in a user event:
"var sublist = form.getSublist({
                id: 'price'
            });

            var priceLevelVal = newRecord.getValue({
                fieldId: 'custitem_price_level_cost'
            });

            var priceLevelObj = JSON.parse(priceLevelVal);
            log.debug('Price Level Object', priceLevelObj);

            var newFldd = sublist.addField({
                id: 'custpage_cost_field',
                type: serverWidget.FieldType.TEXT,
                label: 'Item Cost'
            });

            newFldd.updateDisplayType({
                displayType: serverWidget.FieldDisplayType.ENTRY
            });"

I’m trying to set a value in the field using the following code:

"sublist.setSublistValue({
                id: 'custpage_cost_field',
                line: 0,
                value: 'test'
            });"

But the value is not being populated in the field. What am I doing wrong in the code?