how to trigger e-mail to notify customer when vendor changes status in shipped..

Hello,

The trigger is the HikaShop one regarding the order object :
www.hikashop.com/support/documentation/6...l#onAfterOrderUpdate

But when a vendor subsale is modified, you have the "order_type" which is equal to "subsale" instead of "sale" for customer order.
Thus, you can check for the "subsale" ; get the "order_parent_id" and load the customer order if you need ; and notify the customer regarding the modification of a part of its order.

Regards,

Hello,

Yes ; that's what I explained in my previous message regarding the trigger for a custom plugin (to send an email to the customer).

Regards,