<?xml version="1.0" encoding="utf-8"?> 
<SetUserNotesRequest xmlns="urn:ebay:apis:eBLBaseComponents"> 
  <RequesterCredentials> 
    <eBayAuthToken>A*******3</eBayAuthToken> 
  </RequesterCredentials> 
  <ItemID>8**********0</ItemID> 
  <Action>AddOrUpdate</Action> 
  <NoteText>This could be the best buy.</NoteText> 
</SetUserNotesRequest>