tl;dr - To match OrderEZ Supplier to Xero Contact
(1) Ensure that you set up the Supplier on OrderEZ and corresponding contact in Xero
(2) Navigate to the Xero integration page
(3) Match the OrderEZ supplier (on the left) to Xero contact (on the right)
Firstly, navigate to the "Group Settings" page.
Click on the "Outlets" tab and select the Outlet that is purchasing from the new Supplier.
Click on the "Integrations" tab and click on "Xero".
Click on the "Supplier" tab and you will see the list of OrderEZ Suppliers on the left. You can match the corresponding Xero contact on the right.