You should be able to log back into the UKVCAS site to see what you have uploaded. They are supposed to look at the documents before your appointment, though there is no way of confirming they have done this. They should also go through the documents at the appointment, I would imagine, to confirm ...

Hello all, My wife is applying to get her spousal visa to stay extended. We have gathered all the documents we believe we need following the list provided when we did the application. We have booked for croydon this coming monday 18th november. We paid for the online documents check, yesterday i spe...