Assuming you are referring to the patio mod that fits on the garage doors...
I stayed away from the patio on my toy hauler. Dealer advised (keep in mind it was the dealer that said this) that with the patio installed on the garage door that the safety rails would have to be removed every time I loaded my golf cart or UTV as the tubing was not strong enough to withstand the weight.
Other items were that the safety rails were kind of flimsy and were not sufficiently strong enough to keep an adult >200lber from falling off the patio (no drinking there bubba!) and that it would take 30-45 minutes to set the patio up or take it down each time I used it (even with some practise).
Almost forgot! The garage door would have to be upgraded for the added weight and this is normally be done at the factory as part of the trailer order instead of a retro install.
So, the dw conceded not to get it! YEAH for me!