File Dropper widget isnt uploading a file more than once in same form but doesnt show any warning message to user
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We are using file dropper widget to upload files to our application form, upon testing, I noticed that if I upload a file once and try to upload the same again, the behavior is that the file is not taken, i.e. nothing happens. But, this doesn't convey the message to the user explicitly that they are trying to upload the same file twice and that's why the upload is not happening. Is there a way to show that warning message to the user when this scenario happens? I was planning to use the verification entity and before accept microflow to check the uploaded file's name and size against the list of files already uploaded to the form but there seems to be a limitation - the before accept microflow can have only one parameter (non-persistent - the verification entity) so I'm not sure how do I get the existing files list (attached to the current form) and check the current file being uploaded (the one that the verification entity holds) against them if there is a restriction of one parameter to be on the microflow. Any ideas or suggestions are welcome!