I recently got some tree models that use SpeedTree in the materials to make them move with the wind, but for that to work it requires you to have a WindDirectionalSource in your world. I was able to copy paste it into UEFN from UE5, but when I tried to launch session it said that it is disallowed 
This is sad because it was working very well and this method is way easier and better looking than others.
If possible please look into making WindDirectionalSource allowed in UEFN 
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