title: How To Update MessageTrace Rest URI
body: <p>Is there is a way to update <a href="https://msdn.microsoft.com/en-us/library/office/jj984335.aspx" rel="nofollow noreferrer">this endpoint</a> to just include attachment names?</p>
  
  <p>Alternatively, the only way I can think of to retrieve this information is to execute around 1.2 million REST API calls daily to the O365 web services. </p>