If a supplier is not available in the supplier drop-down list, administrators can request a new integrated supplier to be added using a button in the KM Supplier details window.
Go to Kitchen Manager > Admin > select Suppliers  from the sub menu > click the Add button 
In the Add Supplier Details window select the API tab , existing Integrated suppliers can be selected from the Supplier drop-down  list.
If the supplier is not in the list, click the Request new supplier  button, enter the Supplier name  in the New supplier request pop-up and click Email  to complete the request. When this request is processed you will receive a confirmation email when the supplier is added to the Supplier drop-down  list.