How to restrict “Attached Files” option under data connection to only allow selective file extension

[sunkireddykrish]

How to restrict “Attached Files” option under data connection to only allow selective file extensions for users to upload. For example we want users to only upload excel files.

[Vicky_Z]

You can't do it from GUI. These APIs can help to get or modify the extension whitelist  

https://help.qlik.com/en-US/sense-developer/April2019/Subsystems/RepositoryServiceAPI/Content/Sense_...

https://help.qlik.com/en-US/sense-developer/April2019/Subsystems/RepositoryServiceAPI/Content/Sense_...