title: Get all files names in subfolders Azure Data factory
body: <p>I have a below Folder Structure in Data lake,  I want to get all .csv file names from all subfolders of my ParentFolder directory. All my files are .csv files is there a simple approach to do using Metadata activity.</p>
  <p>ParentFolder &gt; Year=2020Folder</p>
  <pre><code>          2020-10-20Folder &gt; 2020-10-20.csv
  
            2020-10-21Folder &gt; 2020-10-21.csv
  
            2020-10-22Folder &gt; 2020-10-22.csv
  </code></pre>