To search for items by reference id follow the below instructions.
From the BusinessMind Home page click on the Inventory Link
Locate the View Skus area and select the New SmartSet Query link
Modify the Smart Set Name to your needs if you plan on saving this for future use.
Select the columns you would like displayed. I recommend Event Ref Id's be selected and any other columns you may need.
Select these options from the drop down menus. Event Ref Ids, contains (case-insensative), type your receiving id in the next field. Note you can add more search lines if you wanted a more refined search.
Click Test Rules to immediately see your results on screen without saving and OR the Choose Save Smart Set to save this for future use.