# Fetch Box files in NiFi

1. Find File ID Usually FetchBoxFile is used with ListBoxFile and 'box.id' is set. In case 'box.id' is not available, you can find the ID of the file in the following way:
   - Click on the file.
   - The URL in the browser will include the File ID. For example, if the URL were `https://app.box.com/file/1012106094023?s=ldiqjwuor2vwdxeeap2rtcz66dql89h3`, the File ID would be `1012106094023`
2. Set File ID in 'File ID' property