this extension work in this way :

Multimerch v.7 Supported

THE SYSTEM GIVE A PRIORITY AT A PRODUCT PRESENT ON GOLD SELLER ACCOUNT

first u just need create a seller account like Premium,gold,or basic on multimerch/seller group,minimum 2 type of sellers account ( Gold account sellers REQUIRED )
second assign all product to all seller account
third and last,on front end on search bar type a neme of product u want find,in this way the system give a priority only a gold account ( if have the product searched )

NO CORE FILES WILL BE REWRITE, THIS FILE IS ONLY A VQMOD
VQMOD AND MULTIMERCH NEED TO BE INSTALLED ON OPENCART

DEMO www.informaticazone.it/multimerch

on search bar type "Canon EOS 5D" and look the result ( there are all gold account )

FOR SUPPORT supporto@informaticazone.it