Physics FBX chunks

Hi. I imported mesh to UE4 and added FBX chunks. Now i want change physics parameters like mass, friction etc. separately for individual destruction chunks. How i can do that?
I try using PhysX and download 3ds Max DCC plug-in for PhysX 3-3-3. But i don’t know how use it.
Thanks in advance.

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After doing this Google
and some vodoo, including chickenblood and pigkidney i got this.
You have not to know anything, you need only to know where and how to find it.