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Hello guys, I am working on the procedural building for Unreal Engine 4 and I am stuck on the material because hda doesn't separate the material even though the mesh is separated already from maya already. So I used for each loop and name expression (on unreal material node string) to generate the material slot for now, but it doesn't add the material slot if there is no material file on the string path and I need to add material everytime I add additional mesh on hda file. I could just add multiple sop, but it is not gonna help me to create the procedural building and I feel bad that I couldn't find a way to separate the material easily like maya does. Is there anyway to separate materials in one mesh in procedural way for ue4?