title: Watch new files in directory NIFI
body: <p>I'm having a use case where I have new files everyday at differents moments like every hour or two hours so I need to watch a directory in my folder, and on adding new files it triggers an event which sends those new files paths to my webservice on NIFI , any idea how to implement this and what tool to use for this ?</p>
  
  <p>Or maybe this is not the best approach ?</p>