unknown fonction

hello, i am new in unreal engine 4 , and i buy books for begin, but i can’t find the function used in the tutorial, it name “MatMultiz” it is a fonction for choise layer according to the tilt of landscape

thank for your help

sorry if i have a bad english, i’m french

Post the link of the tutorial, probably it was created during the tutorial and you didn’t notice :slight_smile:

thank for answered, i have found the problem, in fact “MatMultiz” is my material function. sorry for disturbance.