Hi,
When the vendor is notified by email, a special HikaMarket "vendor order status notification" is used.
So thanks to HikaShop Business, you can customize (override) that email in order to change the content (and look) so you will display the information you want for the shipping instead of the invoice details.
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.