Discount by Usergroup
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This VQMod will make it possible to have discounts for a a whole client group. It will modify the price for all products that do not have a specific price for a group.
A product that has a price discount in the product section will not be modified.

#### INSTALL ####
If you dont have it already; install Vqmod : http://code.google.com/p/vqmod/

Unzip the file and upload it to your server in the /vqmod/xml foler.

#### DATABASE ####
Run this SQL on your database
INSERT INTO <BD_PREFIX>setting (code,`key`,value) VALUES('config','discount_usergroup','[]');

Note: Replace the <BD_PREFIX> with your name of the opencart database. This is usually oc_ and can be found in the config file.

#### USAGE ####
On the client-groups page you can add a percentage, multiplier or fix addition or substraction
If you want to add cost for a group eneter a negative number in the amount section
i.e. 'percentage' and '-50' will add 50% to all product prices.