Hi,
Item custom fields are stored in the HikaShop table "order product".
So you can use "order product..." in HikaSerial attach serial plugin
Order Product... - Display an element from the table "order product". You have the specify the column name. For dynamic text, namekey is "order_product"
Regards,
Jerome - Obsidev.com
HikaMarket & HikaSerial developer / HikaShop core dev team.
Also helping the HikaShop support team when having some time or couldn't sleep.
By the way, do not send me private message, use the "contact us" form instead.