https://community.appian.com/discussions/f/new-to-appian/18739/how-to-check-the-uploaded-file-is-not-emptyI have to check the file I am uploading for e.g .txt or .doc is not empty, what is the process of checking the empty file?en-USTelligent Community 12https://community.appian.com/thread/73743?ContentTypeID=1Sat, 02 May 2020 04:00:51 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:3be65939-2fdf-4e63-acbc-c18b6e192823Mike Schmitt<p>Last I checked, Appian automatically disallows an empty file from being uploaded in the file upload field.&nbsp; Even if that&#39;s not true, all you need to do is set a validation for the uploaded file checking to see whether its size = 0.</p><div style="clear:both;"></div>