This app for DJ-Classifieds extension allows users to add attachments to any advert. You can define file formats, allow users to write their own captions or set predefined captions to choose when adding the attachments.
First, install the app like any regular plugin.
Then open the plugin. It's under System -> Manage -> Plugins, and the plugin is called: DJ-Classifieds - Files Attachments.
You can also find it by filtering the Type for DJ classifieds when in plugins:
Once you open the plugin, you can see the possible configuration:
the possible options are:
When all is set, remember to enable the plugin and click Save.
You're now all set.
When the plugin is enabled, users can start adding file attachments to adverts.
In the submission form when adding new advert, there's a new field available: Attachments.
If no predefined captions were set the user can enter own captions or leave the file name.
Depending on the settings in the plugin, the amount of the attachment will be limited or not.
As you can see, there is some more info about the attachments: