Forum Discussion
When I'm dealing with EOTI apps, I isolate the EOTI users into a different app. The main reason I do that is just avoid the possibility of an accidental mistake on permissions and somehow the EOTI users get visibility into the main app and its data. You can still choose to have the apps connected with cross app relationships though.
I do not believe you can have a form rule (Legacy or New Style forms) which will detect the suffix of a file before the record is saved.
You could make a checkbox to detect if the file name has a suffix of .pdf and then have a Pipeline delete the file attachment. If you go that route I can give you the syntax to delete a file attachment
The formula would look something like this as a hook for the pipeline to trigger.
Ends(ToText([File Attachment field]), ".pdf")