Wago 750-841 web server Documentation

Hi,
for the first time I need to programming the web server of 750-841.
I have try to found some documentation on wago's site, but I don't find nothing about the programming of web.server.

I need some documentation or better some example about write and read some variable from plc.

THanks
Procucci Luciano

you will find two manuals on the wago site.
1 for programming and one for visualisation.