Am i misunderstanding automatic uploads? Or

There is a section in the setting of the app called - “Automatic upload of camera pictures”. In my understanding this was the place to enable automatic upload of pictures i was taking. I assumed that once these options were activated every picture i would take after that would automatically get uploaded to my server.
But that is not what’s happening, in my experience at least. Pictures (and videos) are not getting uploaded automatically, i actually have to open the app and then they start immediately to upload.
Am i missing something? Is it not possible to have app send files to the server in the background?

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