title: How to delete all files in root of File system with Delete Activity of Data Factory?
body: <p>I have on-prem file System Data set with pathpath &quot;Z:\ProjectX&quot;
  It has contains files like Z:\ProjectX\myfile1.json</p>
  <p>I would like to delete all json files in &quot;Z:\ProjectX&quot;.
  I wonder how to do? What value should be set to Folder?</p>
  <p><a href="https://i.stack.imgur.com/aJabW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/aJabW.png" alt="enter image description here" /></a></p>