Click on the New Vendor button. Add the vendor contact information and click Save.
Assign each product to a vendor through the AShop admin panel Edit Catalog menu. Click on the edit button for each product. When eMerchant is installed and at least one vendor has been added, there will be a drop-down selector in each product page. Select a vendor and save the product.
Note that products are not required to be assigned to a vendor. All active products will appear in the shopping cart regardless of their vendor relationship. The vendor assignment simply enables automation within the eMerchant system. For example, when an order is received and it includes products that are assigned to a vendor, the order will appear in eMerchant > Vendors > Open Orders with an option to automatically generate a purchase order, filled in with the vendor, customer, and product information. Example 2: When manually creating purchase orders the vendor products are selectively displayed depending on which vendor the purchase order will be sent to.
See also: eMerchant > Vendors