Exact establishment of a flight plan SimBrief

Thank you for that precision. I don’t us it for an aircraft. If you have time, see the tuto on you tube: “Maxi tuto flight from A to Z way Djo A320 Neo A32NX” . It is in french. But, know that I always complete the type of aircraft before, what I advance is true, because I have seen it several times..
At 11 mn 34, he clics the number of passengers in the scrolling menu of “passengers”; at 12 mn 35, he does the same thing in the scrolling menu of “cargo”. And after, he generates the plan.