invoice_item_settingThe invoice item setting.field_nameenum<invoice_item_field>OptionalThe field name for the invoice item.Allowed values"ITEM_DESCRIPTION"The description of the item."ITEM_DATE"The date of the item."ITEM_TAX"The tax of the item."ITEM_DISCOUNT"The discount of the item.display_preferenceobject<display_preference>OptionalThe display preference of the field.display_preference properties1 propertyhiddenbooleanOptionalIndicates whether to show or hide the field.