SharePoint 2013, Team-Site-Template
I got a custom list with a rich text field. This offers the option to upload images to. There also is a doc. lib. with 3 folders on this site. The upload form displays the dialog elements for choosing file from computer and an element called "destination". But this element is just a dropdown select to choose the doc. lib. for the upload. There is no option to choose the folder. In my case I need the user to choose the proper folder as each Item is only visible to spec. user groups and therefor the attached image or doc. needs to be placed in the folder of the doc. lib that is also visible to this usergroup.
In one sentence:
How can I make it possible that users can choose the destination folder when uploading a file to a rich text field in a custom list item?