Vendor view page, Services
From Protemos Wiki
On this tab, you can define the services a specific vendor provides:
To update the list of all services, please go to Settings -> System values -> [Services].
By default, a vendor works with all services. To change it, please use the "toggle" button:
Then press "Update":
Unmark the services the vendor does not provide and press "Update" again:
Please note that unmarking the services for which there are vendor-specific prices will delete these prices.