Change A Material Parameter During Game Play

Is it possible to change a materials parameter like the applied wind speed to grass while the game is being played? If so how?

It requires exposing parameters and creating material instances. Here are a few tutorials on it that may help you out a bit.
https://youtube.com/watch?v=i2XmTbfIJ3shttps://forums.unrealengine.com/showthread.php?1403-Material-parameter-animation-Matinee-not-working

ok. thanks.

hello to all the community, would you have a solution to be able to modify the values ​​of a material which is in composition (media plate) in game play, the dynamic material instance does not work